1220855220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2851}}^1$

素因数の和:2943

約数の個数: 192

約数和(自身を含む): 4158900480

約数和(自身を除く): 2938045260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 78, 90, 108, 117, 122, 130, 135, 156, 180, 183, 195, 234, 244, 260, 270, 305, 351, 366, 390, 468, 540, 549, 585, 610, 702, 732, 780, 793, 915, 1098, 1170, 1220, 1404, 1586, 1647, 1755, 1830, 2196, 2340, 2379, 2745, 2851, 3172, 3294, 3510, 3660, 3965, 4758, 5490, 5702, 6588, 7020, 7137, 7930, 8235, 8553, 9516, 10980, 11404, 11895, 14255, 14274, 15860, 16470, 17106, 21411, 23790, 25659, 28510, 28548, 32940, 34212, 35685, 37063, 42765, 42822, 47580, 51318, 57020, 71370, 74126, 76977, 85530, 85644, 102636, 107055, 111189, 128295, 142740, 148252, 153954, 171060, 173911, 185315, 214110, 222378, 256590, 307908, 333567, 347822, 370630, 384885, 428220, 444756, 513180, 521733, 555945, 667134, 695644, 741260, 769770, 869555, 1000701, 1043466, 1111890, 1334268, 1539540, 1565199, 1667835, 1739110, 2001402, 2086932, 2223780, 2260843, 2608665, 3130398, 3335670, 3478220, 4002804, 4521686, 4695597, 5003505, 5217330, 6260796, 6671340, 6782529, 7825995, 9043372, 9391194, 10007010, 10434660, 11304215, 13565058, 15651990, 18782388, 20014020, 20347587, 22608430, 23477985, 27130116, 31303980, 33912645, 40695174, 45216860, 46955970, 61042761, 67825290, 81390348, 93911940, 101737935, 122085522, 135650580, 203475870, 244171044, 305213805, 406951740, 610427610, 1220855220]

約数ペア:

[(1, 1220855220), (2, 610427610), (3, 406951740), (4, 305213805), (5, 244171044), (6, 203475870), (9, 135650580), (10, 122085522), (12, 101737935), (13, 93911940), (15, 81390348), (18, 67825290), (20, 61042761), (26, 46955970), (27, 45216860), (30, 40695174), (36, 33912645), (39, 31303980), (45, 27130116), (52, 23477985), (54, 22608430), (60, 20347587), (61, 20014020), (65, 18782388), (78, 15651990), (90, 13565058), (108, 11304215), (117, 10434660), (122, 10007010), (130, 9391194), (135, 9043372), (156, 7825995), (180, 6782529), (183, 6671340), (195, 6260796), (234, 5217330), (244, 5003505), (260, 4695597), (270, 4521686), (305, 4002804), (351, 3478220), (366, 3335670), (390, 3130398), (468, 2608665), (540, 2260843), (549, 2223780), (585, 2086932), (610, 2001402), (702, 1739110), (732, 1667835), (780, 1565199), (793, 1539540), (915, 1334268), (1098, 1111890), (1170, 1043466), (1220, 1000701), (1404, 869555), (1586, 769770), (1647, 741260), (1755, 695644), (1830, 667134), (2196, 555945), (2340, 521733), (2379, 513180), (2745, 444756), (2851, 428220), (3172, 384885), (3294, 370630), (3510, 347822), (3660, 333567), (3965, 307908), (4758, 256590), (5490, 222378), (5702, 214110), (6588, 185315), (7020, 173911), (7137, 171060), (7930, 153954), (8235, 148252), (8553, 142740), (9516, 128295), (10980, 111189), (11404, 107055), (11895, 102636), (14255, 85644), (14274, 85530), (15860, 76977), (16470, 74126), (17106, 71370), (21411, 57020), (23790, 51318), (25659, 47580), (28510, 42822), (28548, 42765), (32940, 37063), (34212, 35685)]