1977892020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4996

約数の個数: 240

約数和(自身を含む): 7035114240

約数和(自身を除く): 5057222220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 810, 855, 988, 1026, 1053, 1140, 1170, 1235, 1404, 1482, 1539, 1620, 1710, 1755, 2052, 2106, 2223, 2340, 2470, 2565, 2964, 3078, 3420, 3510, 3705, 4212, 4446, 4940, 4943, 5130, 5265, 6156, 6669, 7020, 7410, 7695, 8892, 9886, 10260, 10530, 11115, 13338, 14820, 14829, 15390, 19772, 20007, 21060, 22230, 24715, 26676, 29658, 30780, 33345, 40014, 44460, 44487, 49430, 59316, 64259, 66690, 74145, 80028, 88974, 93917, 98860, 100035, 128518, 133380, 133461, 148290, 177948, 187834, 192777, 200070, 222435, 257036, 266922, 281751, 296580, 321295, 375668, 385554, 400140, 400383, 444870, 469585, 533844, 563502, 578331, 642590, 667305, 771108, 800766, 845253, 889740, 939170, 963885, 1127004, 1156662, 1220921, 1285180, 1334610, 1408755, 1601532, 1690506, 1734993, 1878340, 1927770, 2001915, 2313324, 2441842, 2535759, 2669220, 2817510, 2891655, 3381012, 3469986, 3662763, 3855540, 4003830, 4226265, 4883684, 5071518, 5204979, 5635020, 5783310, 6104605, 6939972, 7325526, 7607277, 8007660, 8452530, 8674965, 10143036, 10409958, 10988289, 11566620, 12209210, 12678795, 14651052, 15214554, 16905060, 17349930, 18313815, 20819916, 21976578, 24418420, 25357590, 26024895, 30429108, 32964867, 34699860, 36627630, 38036385, 43953156, 50715180, 52049790, 54941445, 65929734, 73255260, 76072770, 98894601, 104099580, 109882890, 131859468, 152145540, 164824335, 197789202, 219765780, 329648670, 395578404, 494473005, 659297340, 988946010, 1977892020]

約数ペア:

[(1, 1977892020), (2, 988946010), (3, 659297340), (4, 494473005), (5, 395578404), (6, 329648670), (9, 219765780), (10, 197789202), (12, 164824335), (13, 152145540), (15, 131859468), (18, 109882890), (19, 104099580), (20, 98894601), (26, 76072770), (27, 73255260), (30, 65929734), (36, 54941445), (38, 52049790), (39, 50715180), (45, 43953156), (52, 38036385), (54, 36627630), (57, 34699860), (60, 32964867), (65, 30429108), (76, 26024895), (78, 25357590), (81, 24418420), (90, 21976578), (95, 20819916), (108, 18313815), (114, 17349930), (117, 16905060), (130, 15214554), (135, 14651052), (156, 12678795), (162, 12209210), (171, 11566620), (180, 10988289), (190, 10409958), (195, 10143036), (228, 8674965), (234, 8452530), (247, 8007660), (260, 7607277), (270, 7325526), (285, 6939972), (324, 6104605), (342, 5783310), (351, 5635020), (380, 5204979), (390, 5071518), (405, 4883684), (468, 4226265), (494, 4003830), (513, 3855540), (540, 3662763), (570, 3469986), (585, 3381012), (684, 2891655), (702, 2817510), (741, 2669220), (780, 2535759), (810, 2441842), (855, 2313324), (988, 2001915), (1026, 1927770), (1053, 1878340), (1140, 1734993), (1170, 1690506), (1235, 1601532), (1404, 1408755), (1482, 1334610), (1539, 1285180), (1620, 1220921), (1710, 1156662), (1755, 1127004), (2052, 963885), (2106, 939170), (2223, 889740), (2340, 845253), (2470, 800766), (2565, 771108), (2964, 667305), (3078, 642590), (3420, 578331), (3510, 563502), (3705, 533844), (4212, 469585), (4446, 444870), (4940, 400383), (4943, 400140), (5130, 385554), (5265, 375668), (6156, 321295), (6669, 296580), (7020, 281751), (7410, 266922), (7695, 257036), (8892, 222435), (9886, 200070), (10260, 192777), (10530, 187834), (11115, 177948), (13338, 148290), (14820, 133461), (14829, 133380), (15390, 128518), (19772, 100035), (20007, 98860), (21060, 93917), (22230, 88974), (24715, 80028), (26676, 74145), (29658, 66690), (30780, 64259), (33345, 59316), (40014, 49430), (44460, 44487)]