16720080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 58496256

約数和(自身を除く): 41776176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 233, 240, 260, 276, 299, 312, 345, 368, 390, 460, 466, 520, 552, 598, 624, 690, 699, 780, 897, 920, 932, 1040, 1104, 1165, 1196, 1380, 1398, 1495, 1560, 1794, 1840, 1864, 2330, 2392, 2760, 2796, 2990, 3029, 3120, 3495, 3588, 3728, 4485, 4660, 4784, 5359, 5520, 5592, 5980, 6058, 6990, 7176, 8970, 9087, 9320, 10718, 11184, 11960, 12116, 13980, 14352, 15145, 16077, 17940, 18174, 18640, 21436, 23920, 24232, 26795, 27960, 30290, 32154, 35880, 36348, 42872, 45435, 48464, 53590, 55920, 60580, 64308, 69667, 71760, 72696, 80385, 85744, 90870, 107180, 121160, 128616, 139334, 145392, 160770, 181740, 209001, 214360, 242320, 257232, 278668, 321540, 348335, 363480, 418002, 428720, 557336, 643080, 696670, 726960, 836004, 1045005, 1114672, 1286160, 1393340, 1672008, 2090010, 2786680, 3344016, 4180020, 5573360, 8360040, 16720080]

約数ペア:

[(1, 16720080), (2, 8360040), (3, 5573360), (4, 4180020), (5, 3344016), (6, 2786680), (8, 2090010), (10, 1672008), (12, 1393340), (13, 1286160), (15, 1114672), (16, 1045005), (20, 836004), (23, 726960), (24, 696670), (26, 643080), (30, 557336), (39, 428720), (40, 418002), (46, 363480), (48, 348335), (52, 321540), (60, 278668), (65, 257232), (69, 242320), (78, 214360), (80, 209001), (92, 181740), (104, 160770), (115, 145392), (120, 139334), (130, 128616), (138, 121160), (156, 107180), (184, 90870), (195, 85744), (208, 80385), (230, 72696), (233, 71760), (240, 69667), (260, 64308), (276, 60580), (299, 55920), (312, 53590), (345, 48464), (368, 45435), (390, 42872), (460, 36348), (466, 35880), (520, 32154), (552, 30290), (598, 27960), (624, 26795), (690, 24232), (699, 23920), (780, 21436), (897, 18640), (920, 18174), (932, 17940), (1040, 16077), (1104, 15145), (1165, 14352), (1196, 13980), (1380, 12116), (1398, 11960), (1495, 11184), (1560, 10718), (1794, 9320), (1840, 9087), (1864, 8970), (2330, 7176), (2392, 6990), (2760, 6058), (2796, 5980), (2990, 5592), (3029, 5520), (3120, 5359), (3495, 4784), (3588, 4660), (3728, 4485)]