78641420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:951

約数の個数: 96

約数和(自身を含む): 200503296

約数和(自身を除く): 121861876

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 887, 1364, 1430, 1612, 1705, 1774, 2015, 2860, 3410, 3548, 4030, 4433, 4435, 6820, 8060, 8866, 8870, 9757, 11531, 17732, 17740, 19514, 22165, 23062, 27497, 39028, 44330, 46124, 48785, 54994, 57655, 88660, 97570, 109988, 115310, 126841, 137485, 195140, 230620, 253682, 274970, 302467, 357461, 507364, 549940, 604934, 634205, 714922, 1209868, 1268410, 1429844, 1512335, 1787305, 2536820, 3024670, 3574610, 3932071, 6049340, 7149220, 7864142, 15728284, 19660355, 39320710, 78641420]

約数ペア:

[(1, 78641420), (2, 39320710), (4, 19660355), (5, 15728284), (10, 7864142), (11, 7149220), (13, 6049340), (20, 3932071), (22, 3574610), (26, 3024670), (31, 2536820), (44, 1787305), (52, 1512335), (55, 1429844), (62, 1268410), (65, 1209868), (110, 714922), (124, 634205), (130, 604934), (143, 549940), (155, 507364), (220, 357461), (260, 302467), (286, 274970), (310, 253682), (341, 230620), (403, 195140), (572, 137485), (620, 126841), (682, 115310), (715, 109988), (806, 97570), (887, 88660), (1364, 57655), (1430, 54994), (1612, 48785), (1705, 46124), (1774, 44330), (2015, 39028), (2860, 27497), (3410, 23062), (3548, 22165), (4030, 19514), (4433, 17740), (4435, 17732), (6820, 11531), (8060, 9757), (8866, 8870)]