45181240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 122472000

約数和(自身を除く): 77290760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 269, 323, 340, 380, 442, 494, 520, 538, 646, 680, 760, 884, 988, 1076, 1105, 1235, 1292, 1345, 1615, 1768, 1976, 2152, 2210, 2470, 2584, 2690, 3230, 3497, 4199, 4420, 4573, 4940, 5111, 5380, 6460, 6994, 8398, 8840, 9146, 9880, 10222, 10760, 12920, 13988, 16796, 17485, 18292, 20444, 20995, 22865, 25555, 27976, 33592, 34970, 36584, 40888, 41990, 45730, 51110, 59449, 66443, 69940, 83980, 86887, 91460, 102220, 118898, 132886, 139880, 167960, 173774, 182920, 204440, 237796, 265772, 297245, 332215, 347548, 434435, 475592, 531544, 594490, 664430, 695096, 868870, 1129531, 1188980, 1328860, 1737740, 2259062, 2377960, 2657720, 3475480, 4518124, 5647655, 9036248, 11295310, 22590620, 45181240]

約数ペア:

[(1, 45181240), (2, 22590620), (4, 11295310), (5, 9036248), (8, 5647655), (10, 4518124), (13, 3475480), (17, 2657720), (19, 2377960), (20, 2259062), (26, 1737740), (34, 1328860), (38, 1188980), (40, 1129531), (52, 868870), (65, 695096), (68, 664430), (76, 594490), (85, 531544), (95, 475592), (104, 434435), (130, 347548), (136, 332215), (152, 297245), (170, 265772), (190, 237796), (221, 204440), (247, 182920), (260, 173774), (269, 167960), (323, 139880), (340, 132886), (380, 118898), (442, 102220), (494, 91460), (520, 86887), (538, 83980), (646, 69940), (680, 66443), (760, 59449), (884, 51110), (988, 45730), (1076, 41990), (1105, 40888), (1235, 36584), (1292, 34970), (1345, 33592), (1615, 27976), (1768, 25555), (1976, 22865), (2152, 20995), (2210, 20444), (2470, 18292), (2584, 17485), (2690, 16796), (3230, 13988), (3497, 12920), (4199, 10760), (4420, 10222), (4573, 9880), (4940, 9146), (5111, 8840), (5380, 8398), (6460, 6994)]