90362480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 160

約数和(自身を含む): 253108800

約数和(自身を除く): 162746320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 170, 190, 208, 221, 247, 260, 269, 272, 304, 323, 340, 380, 442, 494, 520, 538, 646, 680, 760, 884, 988, 1040, 1076, 1105, 1235, 1292, 1345, 1360, 1520, 1615, 1768, 1976, 2152, 2210, 2470, 2584, 2690, 3230, 3497, 3536, 3952, 4199, 4304, 4420, 4573, 4940, 5111, 5168, 5380, 6460, 6994, 8398, 8840, 9146, 9880, 10222, 10760, 12920, 13988, 16796, 17485, 17680, 18292, 19760, 20444, 20995, 21520, 22865, 25555, 25840, 27976, 33592, 34970, 36584, 40888, 41990, 45730, 51110, 55952, 59449, 66443, 67184, 69940, 73168, 81776, 83980, 86887, 91460, 102220, 118898, 132886, 139880, 167960, 173774, 182920, 204440, 237796, 265772, 279760, 297245, 332215, 335920, 347548, 365840, 408880, 434435, 475592, 531544, 594490, 664430, 695096, 868870, 951184, 1063088, 1129531, 1188980, 1328860, 1390192, 1737740, 2259062, 2377960, 2657720, 3475480, 4518124, 4755920, 5315440, 5647655, 6950960, 9036248, 11295310, 18072496, 22590620, 45181240, 90362480]

約数ペア:

[(1, 90362480), (2, 45181240), (4, 22590620), (5, 18072496), (8, 11295310), (10, 9036248), (13, 6950960), (16, 5647655), (17, 5315440), (19, 4755920), (20, 4518124), (26, 3475480), (34, 2657720), (38, 2377960), (40, 2259062), (52, 1737740), (65, 1390192), (68, 1328860), (76, 1188980), (80, 1129531), (85, 1063088), (95, 951184), (104, 868870), (130, 695096), (136, 664430), (152, 594490), (170, 531544), (190, 475592), (208, 434435), (221, 408880), (247, 365840), (260, 347548), (269, 335920), (272, 332215), (304, 297245), (323, 279760), (340, 265772), (380, 237796), (442, 204440), (494, 182920), (520, 173774), (538, 167960), (646, 139880), (680, 132886), (760, 118898), (884, 102220), (988, 91460), (1040, 86887), (1076, 83980), (1105, 81776), (1235, 73168), (1292, 69940), (1345, 67184), (1360, 66443), (1520, 59449), (1615, 55952), (1768, 51110), (1976, 45730), (2152, 41990), (2210, 40888), (2470, 36584), (2584, 34970), (2690, 33592), (3230, 27976), (3497, 25840), (3536, 25555), (3952, 22865), (4199, 21520), (4304, 20995), (4420, 20444), (4573, 19760), (4940, 18292), (5111, 17680), (5168, 17485), (5380, 16796), (6460, 13988), (6994, 12920), (8398, 10760), (8840, 10222), (9146, 9880)]