27278680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 76204800

約数和(自身を除く): 48926120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 251, 260, 286, 380, 418, 440, 494, 502, 520, 572, 715, 760, 836, 988, 1004, 1045, 1144, 1235, 1255, 1430, 1672, 1976, 2008, 2090, 2470, 2510, 2717, 2761, 2860, 3263, 4180, 4769, 4940, 5020, 5434, 5522, 5720, 6526, 8360, 9538, 9880, 10040, 10868, 11044, 13052, 13585, 13805, 16315, 19076, 21736, 22088, 23845, 26104, 27170, 27610, 32630, 35893, 38152, 47690, 52459, 54340, 55220, 61997, 65260, 71786, 95380, 104918, 108680, 110440, 123994, 130520, 143572, 179465, 190760, 209836, 247988, 262295, 287144, 309985, 358930, 419672, 495976, 524590, 619970, 681967, 717860, 1049180, 1239940, 1363934, 1435720, 2098360, 2479880, 2727868, 3409835, 5455736, 6819670, 13639340, 27278680]

約数ペア:

[(1, 27278680), (2, 13639340), (4, 6819670), (5, 5455736), (8, 3409835), (10, 2727868), (11, 2479880), (13, 2098360), (19, 1435720), (20, 1363934), (22, 1239940), (26, 1049180), (38, 717860), (40, 681967), (44, 619970), (52, 524590), (55, 495976), (65, 419672), (76, 358930), (88, 309985), (95, 287144), (104, 262295), (110, 247988), (130, 209836), (143, 190760), (152, 179465), (190, 143572), (209, 130520), (220, 123994), (247, 110440), (251, 108680), (260, 104918), (286, 95380), (380, 71786), (418, 65260), (440, 61997), (494, 55220), (502, 54340), (520, 52459), (572, 47690), (715, 38152), (760, 35893), (836, 32630), (988, 27610), (1004, 27170), (1045, 26104), (1144, 23845), (1235, 22088), (1255, 21736), (1430, 19076), (1672, 16315), (1976, 13805), (2008, 13585), (2090, 13052), (2470, 11044), (2510, 10868), (2717, 10040), (2761, 9880), (2860, 9538), (3263, 8360), (4180, 6526), (4769, 5720), (4940, 5522), (5020, 5434)]