18257040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25357}}^1$

素因数の和:25376

約数の個数: 60

約数和(自身を含む): 61315644

約数和(自身を除く): 43058604

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, 25357, 50714, 76071, 101428, 126785, 152142, 202856, 228213, 253570, 304284, 380355, 405712, 456426, 507140, 608568, 760710, 912852, 1014280, 1141065, 1217136, 1521420, 1825704, 2028560, 2282130, 3042840, 3651408, 4564260, 6085680, 9128520, 18257040]

約数ペア:

[(1, 18257040), (2, 9128520), (3, 6085680), (4, 4564260), (5, 3651408), (6, 3042840), (8, 2282130), (9, 2028560), (10, 1825704), (12, 1521420), (15, 1217136), (16, 1141065), (18, 1014280), (20, 912852), (24, 760710), (30, 608568), (36, 507140), (40, 456426), (45, 405712), (48, 380355), (60, 304284), (72, 253570), (80, 228213), (90, 202856), (120, 152142), (144, 126785), (180, 101428), (240, 76071), (360, 50714), (720, 25357)]