2218211820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 288

約数和(自身を含む): 7698862080

約数和(自身を除く): 5480650260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 71, 90, 93, 99, 110, 124, 132, 142, 155, 165, 180, 186, 198, 213, 220, 279, 284, 310, 330, 341, 355, 372, 396, 426, 465, 495, 509, 558, 620, 639, 660, 682, 710, 781, 852, 930, 990, 1018, 1023, 1065, 1116, 1278, 1364, 1395, 1420, 1527, 1562, 1705, 1860, 1980, 2036, 2046, 2130, 2201, 2343, 2545, 2556, 2790, 3054, 3069, 3124, 3195, 3410, 3905, 4092, 4260, 4402, 4581, 4686, 5090, 5115, 5580, 5599, 6108, 6138, 6390, 6603, 6820, 7029, 7635, 7810, 8804, 9162, 9372, 10180, 10230, 11005, 11198, 11715, 12276, 12780, 13206, 14058, 15270, 15345, 15620, 15779, 16797, 18324, 19809, 20460, 22010, 22396, 22905, 23430, 24211, 26412, 27995, 28116, 30540, 30690, 31558, 33015, 33594, 35145, 36139, 39618, 44020, 45810, 46860, 47337, 48422, 50391, 55990, 61380, 63116, 66030, 67188, 70290, 72278, 72633, 78895, 79236, 83985, 91620, 94674, 96844, 99045, 100782, 108417, 111980, 121055, 132060, 140580, 142011, 144556, 145266, 157790, 167970, 173569, 180695, 189348, 198090, 201564, 216834, 217899, 236685, 242110, 251955, 284022, 290532, 315580, 325251, 335940, 347138, 361390, 363165, 396180, 397529, 433668, 435798, 473370, 484220, 503910, 520707, 542085, 568044, 650502, 694276, 710055, 722780, 726330, 795058, 867845, 871596, 946740, 1007820, 1041414, 1084170, 1089495, 1120309, 1192587, 1301004, 1420110, 1452660, 1562121, 1590116, 1626255, 1735690, 1987645, 2082828, 2168340, 2178990, 2240618, 2385174, 2603535, 2840220, 3124242, 3252510, 3360927, 3471380, 3577761, 3975290, 4357980, 4481236, 4770348, 5207070, 5601545, 5962935, 6248484, 6505020, 6721854, 7155522, 7810605, 7950580, 10082781, 10414140, 11203090, 11925870, 12323399, 13443708, 14311044, 15621210, 16804635, 17888805, 20165562, 22406180, 23851740, 24646798, 31242420, 33609270, 35777610, 36970197, 40331124, 49293596, 50413905, 61616995, 67218540, 71555220, 73940394, 100827810, 110910591, 123233990, 147880788, 184850985, 201655620, 221821182, 246467980, 369701970, 443642364, 554552955, 739403940, 1109105910, 2218211820]

約数ペア:

[(1, 2218211820), (2, 1109105910), (3, 739403940), (4, 554552955), (5, 443642364), (6, 369701970), (9, 246467980), (10, 221821182), (11, 201655620), (12, 184850985), (15, 147880788), (18, 123233990), (20, 110910591), (22, 100827810), (30, 73940394), (31, 71555220), (33, 67218540), (36, 61616995), (44, 50413905), (45, 49293596), (55, 40331124), (60, 36970197), (62, 35777610), (66, 33609270), (71, 31242420), (90, 24646798), (93, 23851740), (99, 22406180), (110, 20165562), (124, 17888805), (132, 16804635), (142, 15621210), (155, 14311044), (165, 13443708), (180, 12323399), (186, 11925870), (198, 11203090), (213, 10414140), (220, 10082781), (279, 7950580), (284, 7810605), (310, 7155522), (330, 6721854), (341, 6505020), (355, 6248484), (372, 5962935), (396, 5601545), (426, 5207070), (465, 4770348), (495, 4481236), (509, 4357980), (558, 3975290), (620, 3577761), (639, 3471380), (660, 3360927), (682, 3252510), (710, 3124242), (781, 2840220), (852, 2603535), (930, 2385174), (990, 2240618), (1018, 2178990), (1023, 2168340), (1065, 2082828), (1116, 1987645), (1278, 1735690), (1364, 1626255), (1395, 1590116), (1420, 1562121), (1527, 1452660), (1562, 1420110), (1705, 1301004), (1860, 1192587), (1980, 1120309), (2036, 1089495), (2046, 1084170), (2130, 1041414), (2201, 1007820), (2343, 946740), (2545, 871596), (2556, 867845), (2790, 795058), (3054, 726330), (3069, 722780), (3124, 710055), (3195, 694276), (3410, 650502), (3905, 568044), (4092, 542085), (4260, 520707), (4402, 503910), (4581, 484220), (4686, 473370), (5090, 435798), (5115, 433668), (5580, 397529), (5599, 396180), (6108, 363165), (6138, 361390), (6390, 347138), (6603, 335940), (6820, 325251), (7029, 315580), (7635, 290532), (7810, 284022), (8804, 251955), (9162, 242110), (9372, 236685), (10180, 217899), (10230, 216834), (11005, 201564), (11198, 198090), (11715, 189348), (12276, 180695), (12780, 173569), (13206, 167970), (14058, 157790), (15270, 145266), (15345, 144556), (15620, 142011), (15779, 140580), (16797, 132060), (18324, 121055), (19809, 111980), (20460, 108417), (22010, 100782), (22396, 99045), (22905, 96844), (23430, 94674), (24211, 91620), (26412, 83985), (27995, 79236), (28116, 78895), (30540, 72633), (30690, 72278), (31558, 70290), (33015, 67188), (33594, 66030), (35145, 63116), (36139, 61380), (39618, 55990), (44020, 50391), (45810, 48422), (46860, 47337)]