69821820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6359}}^1$

素因数の和:6435

約数の個数: 72

約数和(自身を含む): 215298720

約数和(自身を除く): 145476900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 6359, 10980, 12718, 19077, 25436, 31795, 38154, 57231, 63590, 76308, 95385, 114462, 127180, 190770, 228924, 286155, 381540, 387899, 572310, 775798, 1144620, 1163697, 1551596, 1939495, 2327394, 3491091, 3878990, 4654788, 5818485, 6982182, 7757980, 11636970, 13964364, 17455455, 23273940, 34910910, 69821820]

約数ペア:

[(1, 69821820), (2, 34910910), (3, 23273940), (4, 17455455), (5, 13964364), (6, 11636970), (9, 7757980), (10, 6982182), (12, 5818485), (15, 4654788), (18, 3878990), (20, 3491091), (30, 2327394), (36, 1939495), (45, 1551596), (60, 1163697), (61, 1144620), (90, 775798), (122, 572310), (180, 387899), (183, 381540), (244, 286155), (305, 228924), (366, 190770), (549, 127180), (610, 114462), (732, 95385), (915, 76308), (1098, 63590), (1220, 57231), (1830, 38154), (2196, 31795), (2745, 25436), (3660, 19077), (5490, 12718), (6359, 10980)]