215121000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{71707}}^1$

素因数の和:71731

約数の個数: 64

約数和(自身を含む): 671186880

約数和(自身を除く): 456065880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 71707, 143414, 215121, 286828, 358535, 430242, 573656, 717070, 860484, 1075605, 1434140, 1720968, 1792675, 2151210, 2868280, 3585350, 4302420, 5378025, 7170700, 8604840, 8963375, 10756050, 14341400, 17926750, 21512100, 26890125, 35853500, 43024200, 53780250, 71707000, 107560500, 215121000]

約数ペア:

[(1, 215121000), (2, 107560500), (3, 71707000), (4, 53780250), (5, 43024200), (6, 35853500), (8, 26890125), (10, 21512100), (12, 17926750), (15, 14341400), (20, 10756050), (24, 8963375), (25, 8604840), (30, 7170700), (40, 5378025), (50, 4302420), (60, 3585350), (75, 2868280), (100, 2151210), (120, 1792675), (125, 1720968), (150, 1434140), (200, 1075605), (250, 860484), (300, 717070), (375, 573656), (500, 430242), (600, 358535), (750, 286828), (1000, 215121), (1500, 143414), (3000, 71707)]