278813600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 288

約数和(自身を含む): 826822080

約数和(自身を除く): 548008480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 25, 26, 32, 34, 38, 40, 50, 52, 65, 68, 76, 80, 83, 85, 95, 100, 104, 130, 136, 152, 160, 166, 170, 190, 200, 208, 221, 247, 260, 272, 304, 323, 325, 332, 340, 380, 400, 415, 416, 425, 442, 475, 494, 520, 544, 608, 646, 650, 664, 680, 760, 800, 830, 850, 884, 950, 988, 1040, 1079, 1105, 1235, 1292, 1300, 1328, 1360, 1411, 1520, 1577, 1615, 1660, 1700, 1768, 1900, 1976, 2075, 2080, 2158, 2210, 2470, 2584, 2600, 2656, 2720, 2822, 3040, 3154, 3230, 3320, 3400, 3536, 3800, 3952, 4150, 4199, 4316, 4420, 4940, 5168, 5200, 5395, 5525, 5644, 6175, 6308, 6460, 6640, 6800, 7055, 7072, 7600, 7885, 7904, 8075, 8300, 8398, 8632, 8840, 9880, 10336, 10400, 10790, 11050, 11288, 12350, 12616, 12920, 13280, 13600, 14110, 15200, 15770, 16150, 16600, 16796, 17264, 17680, 18343, 19760, 20501, 20995, 21580, 22100, 22576, 24700, 25232, 25840, 26809, 26975, 28220, 31540, 32300, 33200, 33592, 34528, 35275, 35360, 36686, 39425, 39520, 41002, 41990, 43160, 44200, 45152, 49400, 50464, 51680, 53618, 53950, 56440, 63080, 64600, 66400, 67184, 70550, 73372, 78850, 82004, 83980, 86320, 88400, 91715, 98800, 102505, 104975, 107236, 107900, 112880, 126160, 129200, 134045, 134368, 141100, 146744, 157700, 164008, 167960, 172640, 176800, 183430, 197600, 205010, 209950, 214472, 215800, 225760, 252320, 258400, 268090, 282200, 293488, 315400, 328016, 335920, 348517, 366860, 410020, 419900, 428944, 431600, 458575, 512525, 536180, 564400, 586976, 630800, 656032, 670225, 671840, 697034, 733720, 820040, 839800, 857888, 863200, 917150, 1025050, 1072360, 1128800, 1261600, 1340450, 1394068, 1467440, 1640080, 1679600, 1742585, 1834300, 2050100, 2144720, 2680900, 2788136, 2934880, 3280160, 3359200, 3485170, 3668600, 4100200, 4289440, 5361800, 5576272, 6970340, 7337200, 8200400, 8712925, 10723600, 11152544, 13940680, 14674400, 16400800, 17425850, 21447200, 27881360, 34851700, 55762720, 69703400, 139406800, 278813600]

約数ペア:

[(1, 278813600), (2, 139406800), (4, 69703400), (5, 55762720), (8, 34851700), (10, 27881360), (13, 21447200), (16, 17425850), (17, 16400800), (19, 14674400), (20, 13940680), (25, 11152544), (26, 10723600), (32, 8712925), (34, 8200400), (38, 7337200), (40, 6970340), (50, 5576272), (52, 5361800), (65, 4289440), (68, 4100200), (76, 3668600), (80, 3485170), (83, 3359200), (85, 3280160), (95, 2934880), (100, 2788136), (104, 2680900), (130, 2144720), (136, 2050100), (152, 1834300), (160, 1742585), (166, 1679600), (170, 1640080), (190, 1467440), (200, 1394068), (208, 1340450), (221, 1261600), (247, 1128800), (260, 1072360), (272, 1025050), (304, 917150), (323, 863200), (325, 857888), (332, 839800), (340, 820040), (380, 733720), (400, 697034), (415, 671840), (416, 670225), (425, 656032), (442, 630800), (475, 586976), (494, 564400), (520, 536180), (544, 512525), (608, 458575), (646, 431600), (650, 428944), (664, 419900), (680, 410020), (760, 366860), (800, 348517), (830, 335920), (850, 328016), (884, 315400), (950, 293488), (988, 282200), (1040, 268090), (1079, 258400), (1105, 252320), (1235, 225760), (1292, 215800), (1300, 214472), (1328, 209950), (1360, 205010), (1411, 197600), (1520, 183430), (1577, 176800), (1615, 172640), (1660, 167960), (1700, 164008), (1768, 157700), (1900, 146744), (1976, 141100), (2075, 134368), (2080, 134045), (2158, 129200), (2210, 126160), (2470, 112880), (2584, 107900), (2600, 107236), (2656, 104975), (2720, 102505), (2822, 98800), (3040, 91715), (3154, 88400), (3230, 86320), (3320, 83980), (3400, 82004), (3536, 78850), (3800, 73372), (3952, 70550), (4150, 67184), (4199, 66400), (4316, 64600), (4420, 63080), (4940, 56440), (5168, 53950), (5200, 53618), (5395, 51680), (5525, 50464), (5644, 49400), (6175, 45152), (6308, 44200), (6460, 43160), (6640, 41990), (6800, 41002), (7055, 39520), (7072, 39425), (7600, 36686), (7885, 35360), (7904, 35275), (8075, 34528), (8300, 33592), (8398, 33200), (8632, 32300), (8840, 31540), (9880, 28220), (10336, 26975), (10400, 26809), (10790, 25840), (11050, 25232), (11288, 24700), (12350, 22576), (12616, 22100), (12920, 21580), (13280, 20995), (13600, 20501), (14110, 19760), (15200, 18343), (15770, 17680), (16150, 17264), (16600, 16796)]