640226340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273601}}^1$

素因数の和:273629

約数の個数: 72

約数和(自身を含む): 2091413688

約数和(自身を除く): 1451187348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 273601, 547202, 820803, 1094404, 1368005, 1641606, 2462409, 2736010, 3283212, 3556813, 4104015, 4924818, 5472020, 7113626, 8208030, 9849636, 10670439, 12312045, 14227252, 16416060, 17784065, 21340878, 24624090, 32011317, 35568130, 42681756, 49248180, 53352195, 64022634, 71136260, 106704390, 128045268, 160056585, 213408780, 320113170, 640226340]

約数ペア:

[(1, 640226340), (2, 320113170), (3, 213408780), (4, 160056585), (5, 128045268), (6, 106704390), (9, 71136260), (10, 64022634), (12, 53352195), (13, 49248180), (15, 42681756), (18, 35568130), (20, 32011317), (26, 24624090), (30, 21340878), (36, 17784065), (39, 16416060), (45, 14227252), (52, 12312045), (60, 10670439), (65, 9849636), (78, 8208030), (90, 7113626), (117, 5472020), (130, 4924818), (156, 4104015), (180, 3556813), (195, 3283212), (234, 2736010), (260, 2462409), (390, 1641606), (468, 1368005), (585, 1094404), (780, 820803), (1170, 547202), (2340, 273601)]