201655620

素因数分解:

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

素因数の和:626

約数の個数: 144

約数和(自身を含む): 641571840

約数和(自身を除く): 439916220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 213, 279, 284, 310, 355, 372, 426, 465, 509, 558, 620, 639, 710, 852, 930, 1018, 1065, 1116, 1278, 1395, 1420, 1527, 1860, 2036, 2130, 2201, 2545, 2556, 2790, 3054, 3195, 4260, 4402, 4581, 5090, 5580, 6108, 6390, 6603, 7635, 8804, 9162, 10180, 11005, 12780, 13206, 15270, 15779, 18324, 19809, 22010, 22905, 26412, 30540, 31558, 33015, 36139, 39618, 44020, 45810, 47337, 63116, 66030, 72278, 78895, 79236, 91620, 94674, 99045, 108417, 132060, 142011, 144556, 157790, 180695, 189348, 198090, 216834, 236685, 284022, 315580, 325251, 361390, 396180, 433668, 473370, 542085, 568044, 650502, 710055, 722780, 946740, 1084170, 1120309, 1301004, 1420110, 1626255, 2168340, 2240618, 2840220, 3252510, 3360927, 4481236, 5601545, 6505020, 6721854, 10082781, 11203090, 13443708, 16804635, 20165562, 22406180, 33609270, 40331124, 50413905, 67218540, 100827810, 201655620]

約数ペア:

[(1, 201655620), (2, 100827810), (3, 67218540), (4, 50413905), (5, 40331124), (6, 33609270), (9, 22406180), (10, 20165562), (12, 16804635), (15, 13443708), (18, 11203090), (20, 10082781), (30, 6721854), (31, 6505020), (36, 5601545), (45, 4481236), (60, 3360927), (62, 3252510), (71, 2840220), (90, 2240618), (93, 2168340), (124, 1626255), (142, 1420110), (155, 1301004), (180, 1120309), (186, 1084170), (213, 946740), (279, 722780), (284, 710055), (310, 650502), (355, 568044), (372, 542085), (426, 473370), (465, 433668), (509, 396180), (558, 361390), (620, 325251), (639, 315580), (710, 284022), (852, 236685), (930, 216834), (1018, 198090), (1065, 189348), (1116, 180695), (1278, 157790), (1395, 144556), (1420, 142011), (1527, 132060), (1860, 108417), (2036, 99045), (2130, 94674), (2201, 91620), (2545, 79236), (2556, 78895), (2790, 72278), (3054, 66030), (3195, 63116), (4260, 47337), (4402, 45810), (4581, 44020), (5090, 39618), (5580, 36139), (6108, 33015), (6390, 31558), (6603, 30540), (7635, 26412), (8804, 22905), (9162, 22010), (10180, 19809), (11005, 18324), (12780, 15779), (13206, 15270)]