18977040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26357}}^1$

素因数の和:26376

約数の個数: 60

約数和(自身を含む): 63733644

約数和(自身を除く): 44756604

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26357, 52714, 79071, 105428, 131785, 158142, 210856, 237213, 263570, 316284, 395355, 421712, 474426, 527140, 632568, 790710, 948852, 1054280, 1186065, 1265136, 1581420, 1897704, 2108560, 2372130, 3162840, 3795408, 4744260, 6325680, 9488520, 18977040]

約数ペア:

[(1, 18977040), (2, 9488520), (3, 6325680), (4, 4744260), (5, 3795408), (6, 3162840), (8, 2372130), (9, 2108560), (10, 1897704), (12, 1581420), (15, 1265136), (16, 1186065), (18, 1054280), (20, 948852), (24, 790710), (30, 632568), (36, 527140), (40, 474426), (45, 421712), (48, 395355), (60, 316284), (72, 263570), (80, 237213), (90, 210856), (120, 158142), (144, 131785), (180, 105428), (240, 79071), (360, 52714), (720, 26357)]