257422320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3221}}^1$

素因数の和:3280

約数の個数: 160

約数和(自身を含む): 910923840

約数和(自身を除く): 653501520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 666, 720, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3221, 3330, 3996, 4440, 4995, 5328, 6442, 6660, 7992, 8880, 9663, 9990, 12884, 13320, 15984, 16105, 19326, 19980, 25768, 26640, 28989, 32210, 38652, 39960, 48315, 51536, 57978, 64420, 77304, 79920, 86967, 96630, 115956, 119177, 128840, 144945, 154608, 173934, 193260, 231912, 238354, 257680, 289890, 347868, 357531, 386520, 434835, 463824, 476708, 579780, 595885, 695736, 715062, 773040, 869670, 953416, 1072593, 1159560, 1191770, 1391472, 1430124, 1739340, 1787655, 1906832, 2145186, 2319120, 2383540, 2860248, 3217779, 3478680, 3575310, 4290372, 4767080, 5362965, 5720496, 6435558, 6957360, 7150620, 8580744, 9534160, 10725930, 12871116, 14301240, 16088895, 17161488, 21451860, 25742232, 28602480, 32177790, 42903720, 51484464, 64355580, 85807440, 128711160, 257422320]

約数ペア:

[(1, 257422320), (2, 128711160), (3, 85807440), (4, 64355580), (5, 51484464), (6, 42903720), (8, 32177790), (9, 28602480), (10, 25742232), (12, 21451860), (15, 17161488), (16, 16088895), (18, 14301240), (20, 12871116), (24, 10725930), (27, 9534160), (30, 8580744), (36, 7150620), (37, 6957360), (40, 6435558), (45, 5720496), (48, 5362965), (54, 4767080), (60, 4290372), (72, 3575310), (74, 3478680), (80, 3217779), (90, 2860248), (108, 2383540), (111, 2319120), (120, 2145186), (135, 1906832), (144, 1787655), (148, 1739340), (180, 1430124), (185, 1391472), (216, 1191770), (222, 1159560), (240, 1072593), (270, 953416), (296, 869670), (333, 773040), (360, 715062), (370, 695736), (432, 595885), (444, 579780), (540, 476708), (555, 463824), (592, 434835), (666, 386520), (720, 357531), (740, 347868), (888, 289890), (999, 257680), (1080, 238354), (1110, 231912), (1332, 193260), (1480, 173934), (1665, 154608), (1776, 144945), (1998, 128840), (2160, 119177), (2220, 115956), (2664, 96630), (2960, 86967), (3221, 79920), (3330, 77304), (3996, 64420), (4440, 57978), (4995, 51536), (5328, 48315), (6442, 39960), (6660, 38652), (7992, 32210), (8880, 28989), (9663, 26640), (9990, 25768), (12884, 19980), (13320, 19326), (15984, 16105)]