205374720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:780

約数の個数: 144

約数和(自身を含む): 665199360

約数和(自身を除く): 459824640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 677, 768, 790, 948, 960, 1185, 1264, 1280, 1354, 1580, 1896, 1920, 2031, 2370, 2528, 2708, 3160, 3385, 3792, 3840, 4062, 4740, 5056, 5416, 6320, 6770, 7584, 8124, 9480, 10112, 10155, 10832, 12640, 13540, 15168, 16248, 18960, 20224, 20310, 21664, 25280, 27080, 30336, 32496, 37920, 40620, 43328, 50560, 53483, 54160, 60672, 64992, 75840, 81240, 86656, 101120, 106966, 108320, 129984, 151680, 160449, 162480, 173312, 213932, 216640, 259968, 267415, 303360, 320898, 324960, 427864, 433280, 519936, 534830, 641796, 649920, 802245, 855728, 866560, 1069660, 1283592, 1299840, 1604490, 1711456, 2139320, 2567184, 2599680, 3208980, 3422912, 4278640, 5134368, 6417960, 6845824, 8557280, 10268736, 12835920, 13691648, 17114560, 20537472, 25671840, 34229120, 41074944, 51343680, 68458240, 102687360, 205374720]

約数ペア:

[(1, 205374720), (2, 102687360), (3, 68458240), (4, 51343680), (5, 41074944), (6, 34229120), (8, 25671840), (10, 20537472), (12, 17114560), (15, 13691648), (16, 12835920), (20, 10268736), (24, 8557280), (30, 6845824), (32, 6417960), (40, 5134368), (48, 4278640), (60, 3422912), (64, 3208980), (79, 2599680), (80, 2567184), (96, 2139320), (120, 1711456), (128, 1604490), (158, 1299840), (160, 1283592), (192, 1069660), (237, 866560), (240, 855728), (256, 802245), (316, 649920), (320, 641796), (384, 534830), (395, 519936), (474, 433280), (480, 427864), (632, 324960), (640, 320898), (677, 303360), (768, 267415), (790, 259968), (948, 216640), (960, 213932), (1185, 173312), (1264, 162480), (1280, 160449), (1354, 151680), (1580, 129984), (1896, 108320), (1920, 106966), (2031, 101120), (2370, 86656), (2528, 81240), (2708, 75840), (3160, 64992), (3385, 60672), (3792, 54160), (3840, 53483), (4062, 50560), (4740, 43328), (5056, 40620), (5416, 37920), (6320, 32496), (6770, 30336), (7584, 27080), (8124, 25280), (9480, 21664), (10112, 20310), (10155, 20224), (10832, 18960), (12640, 16248), (13540, 15168)]