72456380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2069}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 162751680

約数和(自身を除く): 90295300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 2069, 3502, 4138, 7004, 8276, 8755, 10345, 17510, 20690, 35020, 35173, 41380, 70346, 140692, 175865, 213107, 351730, 426214, 703460, 852428, 1065535, 2131070, 3622819, 4262140, 7245638, 14491276, 18114095, 36228190, 72456380]

約数ペア:

[(1, 72456380), (2, 36228190), (4, 18114095), (5, 14491276), (10, 7245638), (17, 4262140), (20, 3622819), (34, 2131070), (68, 1065535), (85, 852428), (103, 703460), (170, 426214), (206, 351730), (340, 213107), (412, 175865), (515, 140692), (1030, 70346), (1751, 41380), (2060, 35173), (2069, 35020), (3502, 20690), (4138, 17510), (7004, 10345), (8276, 8755)]