123456900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{58789}}^1$

素因数の和:58813

約数の個数: 72

約数和(自身を含む): 408237760

約数和(自身を除く): 284780860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 58789, 117578, 176367, 235156, 293945, 352734, 411523, 587890, 705468, 823046, 881835, 1175780, 1234569, 1469725, 1646092, 1763670, 2057615, 2469138, 2939450, 3527340, 4115230, 4409175, 4938276, 5878900, 6172845, 8230460, 8818350, 10288075, 12345690, 17636700, 20576150, 24691380, 30864225, 41152300, 61728450, 123456900]

約数ペア:

[(1, 123456900), (2, 61728450), (3, 41152300), (4, 30864225), (5, 24691380), (6, 20576150), (7, 17636700), (10, 12345690), (12, 10288075), (14, 8818350), (15, 8230460), (20, 6172845), (21, 5878900), (25, 4938276), (28, 4409175), (30, 4115230), (35, 3527340), (42, 2939450), (50, 2469138), (60, 2057615), (70, 1763670), (75, 1646092), (84, 1469725), (100, 1234569), (105, 1175780), (140, 881835), (150, 823046), (175, 705468), (210, 587890), (300, 411523), (350, 352734), (420, 293945), (525, 235156), (700, 176367), (1050, 117578), (2100, 58789)]