178690860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1511}}^1$

素因数の和:1605

約数の個数: 120

約数和(自身を含む): 568614816

約数和(自身を除く): 389923956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 219, 270, 292, 324, 365, 405, 438, 540, 657, 730, 810, 876, 1095, 1314, 1460, 1511, 1620, 1971, 2190, 2628, 3022, 3285, 3942, 4380, 4533, 5913, 6044, 6570, 7555, 7884, 9066, 9855, 11826, 13140, 13599, 15110, 18132, 19710, 22665, 23652, 27198, 29565, 30220, 39420, 40797, 45330, 54396, 59130, 67995, 81594, 90660, 110303, 118260, 122391, 135990, 163188, 203985, 220606, 244782, 271980, 330909, 407970, 441212, 489564, 551515, 611955, 661818, 815940, 992727, 1103030, 1223910, 1323636, 1654545, 1985454, 2206060, 2447820, 2978181, 3309090, 3970908, 4963635, 5956362, 6618180, 8934543, 9927270, 11912724, 14890905, 17869086, 19854540, 29781810, 35738172, 44672715, 59563620, 89345430, 178690860]

約数ペア:

[(1, 178690860), (2, 89345430), (3, 59563620), (4, 44672715), (5, 35738172), (6, 29781810), (9, 19854540), (10, 17869086), (12, 14890905), (15, 11912724), (18, 9927270), (20, 8934543), (27, 6618180), (30, 5956362), (36, 4963635), (45, 3970908), (54, 3309090), (60, 2978181), (73, 2447820), (81, 2206060), (90, 1985454), (108, 1654545), (135, 1323636), (146, 1223910), (162, 1103030), (180, 992727), (219, 815940), (270, 661818), (292, 611955), (324, 551515), (365, 489564), (405, 441212), (438, 407970), (540, 330909), (657, 271980), (730, 244782), (810, 220606), (876, 203985), (1095, 163188), (1314, 135990), (1460, 122391), (1511, 118260), (1620, 110303), (1971, 90660), (2190, 81594), (2628, 67995), (3022, 59130), (3285, 54396), (3942, 45330), (4380, 40797), (4533, 39420), (5913, 30220), (6044, 29565), (6570, 27198), (7555, 23652), (7884, 22665), (9066, 19710), (9855, 18132), (11826, 15110), (13140, 13599)]