17778540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 55996416

約数和(自身を除く): 38217876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 991, 1196, 1380, 1495, 1794, 1982, 2973, 2990, 3588, 3964, 4485, 4955, 5946, 5980, 8970, 9910, 11892, 12883, 14865, 17940, 19820, 22793, 25766, 29730, 38649, 45586, 51532, 59460, 64415, 68379, 77298, 91172, 113965, 128830, 136758, 154596, 193245, 227930, 257660, 273516, 296309, 341895, 386490, 455860, 592618, 683790, 772980, 888927, 1185236, 1367580, 1481545, 1777854, 2963090, 3555708, 4444635, 5926180, 8889270, 17778540]

約数ペア:

[(1, 17778540), (2, 8889270), (3, 5926180), (4, 4444635), (5, 3555708), (6, 2963090), (10, 1777854), (12, 1481545), (13, 1367580), (15, 1185236), (20, 888927), (23, 772980), (26, 683790), (30, 592618), (39, 455860), (46, 386490), (52, 341895), (60, 296309), (65, 273516), (69, 257660), (78, 227930), (92, 193245), (115, 154596), (130, 136758), (138, 128830), (156, 113965), (195, 91172), (230, 77298), (260, 68379), (276, 64415), (299, 59460), (345, 51532), (390, 45586), (460, 38649), (598, 29730), (690, 25766), (780, 22793), (897, 19820), (991, 17940), (1196, 14865), (1380, 12883), (1495, 11892), (1794, 9910), (1982, 8970), (2973, 5980), (2990, 5946), (3588, 4955), (3964, 4485)]