278345280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 224

約数和(自身を含む): 936345600

約数和(自身を除く): 658000320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 47, 48, 60, 62, 64, 80, 93, 94, 96, 120, 124, 141, 155, 160, 186, 188, 192, 199, 235, 240, 248, 282, 310, 320, 372, 376, 398, 465, 470, 480, 496, 564, 597, 620, 705, 744, 752, 796, 930, 940, 960, 992, 995, 1128, 1194, 1240, 1410, 1457, 1488, 1504, 1592, 1860, 1880, 1984, 1990, 2256, 2388, 2480, 2820, 2914, 2976, 2985, 3008, 3184, 3720, 3760, 3980, 4371, 4512, 4776, 4960, 5640, 5828, 5952, 5970, 6169, 6368, 7285, 7440, 7520, 7960, 8742, 9024, 9353, 9552, 9920, 11280, 11656, 11940, 12338, 12736, 14570, 14880, 15040, 15920, 17484, 18507, 18706, 19104, 21855, 22560, 23312, 23880, 24676, 28059, 29140, 29760, 30845, 31840, 34968, 37014, 37412, 38208, 43710, 45120, 46624, 46765, 47760, 49352, 56118, 58280, 61690, 63680, 69936, 74028, 74824, 87420, 92535, 93248, 93530, 95520, 98704, 112236, 116560, 123380, 139872, 140295, 148056, 149648, 174840, 185070, 187060, 191040, 197408, 224472, 233120, 246760, 279744, 280590, 289943, 296112, 299296, 349680, 370140, 374120, 394816, 448944, 466240, 493520, 561180, 579886, 592224, 598592, 699360, 740280, 748240, 869829, 897888, 987040, 1122360, 1159772, 1184448, 1398720, 1449715, 1480560, 1496480, 1739658, 1795776, 1974080, 2244720, 2319544, 2899430, 2961120, 2992960, 3479316, 4349145, 4489440, 4639088, 5798860, 5922240, 6958632, 8698290, 8978880, 9278176, 11597720, 13917264, 17396580, 18556352, 23195440, 27834528, 34793160, 46390880, 55669056, 69586320, 92781760, 139172640, 278345280]

約数ペア:

[(1, 278345280), (2, 139172640), (3, 92781760), (4, 69586320), (5, 55669056), (6, 46390880), (8, 34793160), (10, 27834528), (12, 23195440), (15, 18556352), (16, 17396580), (20, 13917264), (24, 11597720), (30, 9278176), (31, 8978880), (32, 8698290), (40, 6958632), (47, 5922240), (48, 5798860), (60, 4639088), (62, 4489440), (64, 4349145), (80, 3479316), (93, 2992960), (94, 2961120), (96, 2899430), (120, 2319544), (124, 2244720), (141, 1974080), (155, 1795776), (160, 1739658), (186, 1496480), (188, 1480560), (192, 1449715), (199, 1398720), (235, 1184448), (240, 1159772), (248, 1122360), (282, 987040), (310, 897888), (320, 869829), (372, 748240), (376, 740280), (398, 699360), (465, 598592), (470, 592224), (480, 579886), (496, 561180), (564, 493520), (597, 466240), (620, 448944), (705, 394816), (744, 374120), (752, 370140), (796, 349680), (930, 299296), (940, 296112), (960, 289943), (992, 280590), (995, 279744), (1128, 246760), (1194, 233120), (1240, 224472), (1410, 197408), (1457, 191040), (1488, 187060), (1504, 185070), (1592, 174840), (1860, 149648), (1880, 148056), (1984, 140295), (1990, 139872), (2256, 123380), (2388, 116560), (2480, 112236), (2820, 98704), (2914, 95520), (2976, 93530), (2985, 93248), (3008, 92535), (3184, 87420), (3720, 74824), (3760, 74028), (3980, 69936), (4371, 63680), (4512, 61690), (4776, 58280), (4960, 56118), (5640, 49352), (5828, 47760), (5952, 46765), (5970, 46624), (6169, 45120), (6368, 43710), (7285, 38208), (7440, 37412), (7520, 37014), (7960, 34968), (8742, 31840), (9024, 30845), (9353, 29760), (9552, 29140), (9920, 28059), (11280, 24676), (11656, 23880), (11940, 23312), (12338, 22560), (12736, 21855), (14570, 19104), (14880, 18706), (15040, 18507), (15920, 17484)]