72419640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1437

約数の個数: 128

約数和(自身を含む): 238809600

約数和(自身を除く): 166389960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1381, 1748, 2185, 2280, 2622, 2760, 2762, 3496, 4143, 4370, 5244, 5524, 6555, 6905, 8286, 8740, 10488, 11048, 13110, 13810, 16572, 17480, 20715, 26220, 26239, 27620, 31763, 33144, 41430, 52440, 52478, 55240, 63526, 78717, 82860, 95289, 104956, 127052, 131195, 157434, 158815, 165720, 190578, 209912, 254104, 262390, 314868, 317630, 381156, 393585, 476445, 524780, 603497, 629736, 635260, 762312, 787170, 952890, 1049560, 1206994, 1270520, 1574340, 1810491, 1905780, 2413988, 3017485, 3148680, 3620982, 3811560, 4827976, 6034970, 7241964, 9052455, 12069940, 14483928, 18104910, 24139880, 36209820, 72419640]

約数ペア:

[(1, 72419640), (2, 36209820), (3, 24139880), (4, 18104910), (5, 14483928), (6, 12069940), (8, 9052455), (10, 7241964), (12, 6034970), (15, 4827976), (19, 3811560), (20, 3620982), (23, 3148680), (24, 3017485), (30, 2413988), (38, 1905780), (40, 1810491), (46, 1574340), (57, 1270520), (60, 1206994), (69, 1049560), (76, 952890), (92, 787170), (95, 762312), (114, 635260), (115, 629736), (120, 603497), (138, 524780), (152, 476445), (184, 393585), (190, 381156), (228, 317630), (230, 314868), (276, 262390), (285, 254104), (345, 209912), (380, 190578), (437, 165720), (456, 158815), (460, 157434), (552, 131195), (570, 127052), (690, 104956), (760, 95289), (874, 82860), (920, 78717), (1140, 63526), (1311, 55240), (1380, 52478), (1381, 52440), (1748, 41430), (2185, 33144), (2280, 31763), (2622, 27620), (2760, 26239), (2762, 26220), (3496, 20715), (4143, 17480), (4370, 16572), (5244, 13810), (5524, 13110), (6555, 11048), (6905, 10488), (8286, 8740)]