4321980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1875

約数の個数: 72

約数和(自身を含む): 14126112

約数和(自身を除く): 9804132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 1847, 2340, 3694, 5541, 7388, 9235, 11082, 16623, 18470, 22164, 24011, 27705, 33246, 36940, 48022, 55410, 66492, 72033, 83115, 96044, 110820, 120055, 144066, 166230, 216099, 240110, 288132, 332460, 360165, 432198, 480220, 720330, 864396, 1080495, 1440660, 2160990, 4321980]

約数ペア:

[(1, 4321980), (2, 2160990), (3, 1440660), (4, 1080495), (5, 864396), (6, 720330), (9, 480220), (10, 432198), (12, 360165), (13, 332460), (15, 288132), (18, 240110), (20, 216099), (26, 166230), (30, 144066), (36, 120055), (39, 110820), (45, 96044), (52, 83115), (60, 72033), (65, 66492), (78, 55410), (90, 48022), (117, 36940), (130, 33246), (156, 27705), (180, 24011), (195, 22164), (234, 18470), (260, 16623), (390, 11082), (468, 9235), (585, 7388), (780, 5541), (1170, 3694), (1847, 2340)]