637540020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{272453}}^1$

素因数の和:272481

約数の個数: 72

約数和(自身を含む): 2082638376

約数和(自身を除く): 1445098356

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, 2340, 272453, 544906, 817359, 1089812, 1362265, 1634718, 2452077, 2724530, 3269436, 3541889, 4086795, 4904154, 5449060, 7083778, 8173590, 9808308, 10625667, 12260385, 14167556, 16347180, 17709445, 21251334, 24520770, 31877001, 35418890, 42502668, 49041540, 53128335, 63754002, 70837780, 106256670, 127508004, 159385005, 212513340, 318770010, 637540020]

約数ペア:

[(1, 637540020), (2, 318770010), (3, 212513340), (4, 159385005), (5, 127508004), (6, 106256670), (9, 70837780), (10, 63754002), (12, 53128335), (13, 49041540), (15, 42502668), (18, 35418890), (20, 31877001), (26, 24520770), (30, 21251334), (36, 17709445), (39, 16347180), (45, 14167556), (52, 12260385), (60, 10625667), (65, 9808308), (78, 8173590), (90, 7083778), (117, 5449060), (130, 4904154), (156, 4086795), (180, 3541889), (195, 3269436), (234, 2724530), (260, 2452077), (390, 1634718), (468, 1362265), (585, 1089812), (780, 817359), (1170, 544906), (2340, 272453)]