1500400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 90

約数和(自身を含む): 4090016

約数和(自身を除く): 2589616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 121, 124, 155, 176, 200, 220, 242, 248, 275, 310, 341, 400, 440, 484, 496, 550, 605, 620, 682, 775, 880, 968, 1100, 1210, 1240, 1364, 1550, 1705, 1936, 2200, 2420, 2480, 2728, 3025, 3100, 3410, 3751, 4400, 4840, 5456, 6050, 6200, 6820, 7502, 8525, 9680, 12100, 12400, 13640, 15004, 17050, 18755, 24200, 27280, 30008, 34100, 37510, 48400, 60016, 68200, 75020, 93775, 136400, 150040, 187550, 300080, 375100, 750200, 1500400]

約数ペア:

[(1, 1500400), (2, 750200), (4, 375100), (5, 300080), (8, 187550), (10, 150040), (11, 136400), (16, 93775), (20, 75020), (22, 68200), (25, 60016), (31, 48400), (40, 37510), (44, 34100), (50, 30008), (55, 27280), (62, 24200), (80, 18755), (88, 17050), (100, 15004), (110, 13640), (121, 12400), (124, 12100), (155, 9680), (176, 8525), (200, 7502), (220, 6820), (242, 6200), (248, 6050), (275, 5456), (310, 4840), (341, 4400), (400, 3751), (440, 3410), (484, 3100), (496, 3025), (550, 2728), (605, 2480), (620, 2420), (682, 2200), (775, 1936), (880, 1705), (968, 1550), (1100, 1364), (1210, 1240)]