128044020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1345

約数の個数: 96

約数和(自身を含む): 389208960

約数和(自身を除く): 261164940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 260, 278, 390, 417, 556, 695, 780, 834, 1181, 1390, 1668, 1807, 2085, 2362, 2780, 3543, 3614, 4170, 4724, 5421, 5905, 7086, 7228, 8340, 9035, 10842, 11810, 14172, 15353, 17715, 18070, 21684, 23620, 27105, 30706, 35430, 36140, 46059, 54210, 61412, 70860, 76765, 92118, 108420, 153530, 164159, 184236, 230295, 307060, 328318, 460590, 492477, 656636, 820795, 921180, 984954, 1641590, 1969908, 2134067, 2462385, 3283180, 4268134, 4924770, 6402201, 8536268, 9849540, 10670335, 12804402, 21340670, 25608804, 32011005, 42681340, 64022010, 128044020]

約数ペア:

[(1, 128044020), (2, 64022010), (3, 42681340), (4, 32011005), (5, 25608804), (6, 21340670), (10, 12804402), (12, 10670335), (13, 9849540), (15, 8536268), (20, 6402201), (26, 4924770), (30, 4268134), (39, 3283180), (52, 2462385), (60, 2134067), (65, 1969908), (78, 1641590), (130, 984954), (139, 921180), (156, 820795), (195, 656636), (260, 492477), (278, 460590), (390, 328318), (417, 307060), (556, 230295), (695, 184236), (780, 164159), (834, 153530), (1181, 108420), (1390, 92118), (1668, 76765), (1807, 70860), (2085, 61412), (2362, 54210), (2780, 46059), (3543, 36140), (3614, 35430), (4170, 30706), (4724, 27105), (5421, 23620), (5905, 21684), (7086, 18070), (7228, 17715), (8340, 15353), (9035, 14172), (10842, 11810)]