155500020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1351

約数の個数: 192

約数和(自身を含む): 552061440

約数和(自身を除く): 396561420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 510, 540, 585, 612, 663, 702, 765, 780, 884, 918, 1020, 1105, 1170, 1303, 1326, 1404, 1530, 1755, 1836, 1989, 2210, 2295, 2340, 2606, 2652, 3060, 3315, 3510, 3909, 3978, 4420, 4590, 5212, 5967, 6515, 6630, 7020, 7818, 7956, 9180, 9945, 11727, 11934, 13030, 13260, 15636, 16939, 19545, 19890, 22151, 23454, 23868, 26060, 29835, 33878, 35181, 39090, 39780, 44302, 46908, 50817, 58635, 59670, 66453, 67756, 70362, 78180, 84695, 88604, 101634, 110755, 117270, 119340, 132906, 140724, 152451, 169390, 175905, 199359, 203268, 221510, 234540, 254085, 265812, 287963, 304902, 332265, 338780, 351810, 398718, 443020, 457353, 508170, 575926, 598077, 609804, 664530, 703620, 762255, 797436, 863889, 914706, 996795, 1016340, 1151852, 1196154, 1329060, 1439815, 1524510, 1727778, 1829412, 1993590, 2286765, 2392308, 2591667, 2879630, 2990385, 3049020, 3455556, 3987180, 4319445, 4573530, 5183334, 5759260, 5980770, 7775001, 8638890, 9147060, 10366668, 11961540, 12958335, 15550002, 17277780, 25916670, 31100004, 38875005, 51833340, 77750010, 155500020]

約数ペア:

[(1, 155500020), (2, 77750010), (3, 51833340), (4, 38875005), (5, 31100004), (6, 25916670), (9, 17277780), (10, 15550002), (12, 12958335), (13, 11961540), (15, 10366668), (17, 9147060), (18, 8638890), (20, 7775001), (26, 5980770), (27, 5759260), (30, 5183334), (34, 4573530), (36, 4319445), (39, 3987180), (45, 3455556), (51, 3049020), (52, 2990385), (54, 2879630), (60, 2591667), (65, 2392308), (68, 2286765), (78, 1993590), (85, 1829412), (90, 1727778), (102, 1524510), (108, 1439815), (117, 1329060), (130, 1196154), (135, 1151852), (153, 1016340), (156, 996795), (170, 914706), (180, 863889), (195, 797436), (204, 762255), (221, 703620), (234, 664530), (255, 609804), (260, 598077), (270, 575926), (306, 508170), (340, 457353), (351, 443020), (390, 398718), (442, 351810), (459, 338780), (468, 332265), (510, 304902), (540, 287963), (585, 265812), (612, 254085), (663, 234540), (702, 221510), (765, 203268), (780, 199359), (884, 175905), (918, 169390), (1020, 152451), (1105, 140724), (1170, 132906), (1303, 119340), (1326, 117270), (1404, 110755), (1530, 101634), (1755, 88604), (1836, 84695), (1989, 78180), (2210, 70362), (2295, 67756), (2340, 66453), (2606, 59670), (2652, 58635), (3060, 50817), (3315, 46908), (3510, 44302), (3909, 39780), (3978, 39090), (4420, 35181), (4590, 33878), (5212, 29835), (5967, 26060), (6515, 23868), (6630, 23454), (7020, 22151), (7818, 19890), (7956, 19545), (9180, 16939), (9945, 15636), (11727, 13260), (11934, 13030)]