265538680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1445

約数の個数: 128

約数和(自身を含む): 716428800

約数和(自身を除く): 450890120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 230, 253, 380, 418, 437, 440, 460, 506, 760, 836, 874, 920, 1012, 1045, 1265, 1381, 1672, 1748, 2024, 2090, 2185, 2530, 2762, 3496, 4180, 4370, 4807, 5060, 5524, 6905, 8360, 8740, 9614, 10120, 11048, 13810, 15191, 17480, 19228, 24035, 26239, 27620, 30382, 31763, 38456, 48070, 52478, 55240, 60764, 63526, 75955, 96140, 104956, 121528, 127052, 131195, 151910, 158815, 192280, 209912, 254104, 262390, 288629, 303820, 317630, 349393, 524780, 577258, 603497, 607640, 635260, 698786, 1049560, 1154516, 1206994, 1270520, 1397572, 1443145, 1746965, 2309032, 2413988, 2795144, 2886290, 3017485, 3493930, 4827976, 5772580, 6034970, 6638467, 6987860, 11545160, 12069940, 13276934, 13975720, 24139880, 26553868, 33192335, 53107736, 66384670, 132769340, 265538680]

約数ペア:

[(1, 265538680), (2, 132769340), (4, 66384670), (5, 53107736), (8, 33192335), (10, 26553868), (11, 24139880), (19, 13975720), (20, 13276934), (22, 12069940), (23, 11545160), (38, 6987860), (40, 6638467), (44, 6034970), (46, 5772580), (55, 4827976), (76, 3493930), (88, 3017485), (92, 2886290), (95, 2795144), (110, 2413988), (115, 2309032), (152, 1746965), (184, 1443145), (190, 1397572), (209, 1270520), (220, 1206994), (230, 1154516), (253, 1049560), (380, 698786), (418, 635260), (437, 607640), (440, 603497), (460, 577258), (506, 524780), (760, 349393), (836, 317630), (874, 303820), (920, 288629), (1012, 262390), (1045, 254104), (1265, 209912), (1381, 192280), (1672, 158815), (1748, 151910), (2024, 131195), (2090, 127052), (2185, 121528), (2530, 104956), (2762, 96140), (3496, 75955), (4180, 63526), (4370, 60764), (4807, 55240), (5060, 52478), (5524, 48070), (6905, 38456), (8360, 31763), (8740, 30382), (9614, 27620), (10120, 26239), (11048, 24035), (13810, 19228), (15191, 17480)]