20280060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1847}}^1$

素因数の和:1923

約数の個数: 72

約数和(自身を含む): 62558496

約数和(自身を除く): 42278436

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, 1847, 2196, 2745, 3660, 3694, 5490, 5541, 7388, 9235, 10980, 11082, 16623, 18470, 22164, 27705, 33246, 36940, 55410, 66492, 83115, 110820, 112667, 166230, 225334, 332460, 338001, 450668, 563335, 676002, 1014003, 1126670, 1352004, 1690005, 2028006, 2253340, 3380010, 4056012, 5070015, 6760020, 10140030, 20280060]

約数ペア:

[(1, 20280060), (2, 10140030), (3, 6760020), (4, 5070015), (5, 4056012), (6, 3380010), (9, 2253340), (10, 2028006), (12, 1690005), (15, 1352004), (18, 1126670), (20, 1014003), (30, 676002), (36, 563335), (45, 450668), (60, 338001), (61, 332460), (90, 225334), (122, 166230), (180, 112667), (183, 110820), (244, 83115), (305, 66492), (366, 55410), (549, 36940), (610, 33246), (732, 27705), (915, 22164), (1098, 18470), (1220, 16623), (1830, 11082), (1847, 10980), (2196, 9235), (2745, 7388), (3660, 5541), (3694, 5490)]