72720180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1188

約数の個数: 144

約数和(自身を含む): 246564864

約数和(自身を除く): 173844684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1151, 1170, 1215, 1404, 1620, 1755, 2106, 2302, 2340, 2430, 3159, 3453, 3510, 4212, 4604, 4860, 5265, 5755, 6318, 6906, 7020, 10359, 10530, 11510, 12636, 13812, 14963, 15795, 17265, 20718, 21060, 23020, 29926, 31077, 31590, 34530, 41436, 44889, 51795, 59852, 62154, 63180, 69060, 74815, 89778, 93231, 103590, 124308, 134667, 149630, 155385, 179556, 186462, 207180, 224445, 269334, 279693, 299260, 310770, 372924, 404001, 448890, 466155, 538668, 559386, 621540, 673335, 808002, 897780, 932310, 1118772, 1212003, 1346670, 1398465, 1616004, 1864620, 2020005, 2424006, 2693340, 2796930, 3636009, 4040010, 4848012, 5593860, 6060015, 7272018, 8080020, 12120030, 14544036, 18180045, 24240060, 36360090, 72720180]

約数ペア:

[(1, 72720180), (2, 36360090), (3, 24240060), (4, 18180045), (5, 14544036), (6, 12120030), (9, 8080020), (10, 7272018), (12, 6060015), (13, 5593860), (15, 4848012), (18, 4040010), (20, 3636009), (26, 2796930), (27, 2693340), (30, 2424006), (36, 2020005), (39, 1864620), (45, 1616004), (52, 1398465), (54, 1346670), (60, 1212003), (65, 1118772), (78, 932310), (81, 897780), (90, 808002), (108, 673335), (117, 621540), (130, 559386), (135, 538668), (156, 466155), (162, 448890), (180, 404001), (195, 372924), (234, 310770), (243, 299260), (260, 279693), (270, 269334), (324, 224445), (351, 207180), (390, 186462), (405, 179556), (468, 155385), (486, 149630), (540, 134667), (585, 124308), (702, 103590), (780, 93231), (810, 89778), (972, 74815), (1053, 69060), (1151, 63180), (1170, 62154), (1215, 59852), (1404, 51795), (1620, 44889), (1755, 41436), (2106, 34530), (2302, 31590), (2340, 31077), (2430, 29926), (3159, 23020), (3453, 21060), (3510, 20718), (4212, 17265), (4604, 15795), (4860, 14963), (5265, 13812), (5755, 12636), (6318, 11510), (6906, 10530), (7020, 10359)]