281194680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 256

約数和(自身を含む): 979776000

約数和(自身を除く): 698581320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 53, 57, 60, 65, 76, 78, 95, 104, 106, 114, 120, 130, 152, 156, 159, 179, 190, 195, 212, 228, 247, 260, 265, 285, 312, 318, 358, 380, 390, 424, 456, 494, 520, 530, 537, 570, 636, 689, 716, 741, 760, 780, 795, 895, 988, 1007, 1060, 1074, 1140, 1235, 1272, 1378, 1432, 1482, 1560, 1590, 1790, 1976, 2014, 2067, 2120, 2148, 2280, 2327, 2470, 2685, 2756, 2964, 3021, 3180, 3401, 3445, 3580, 3705, 4028, 4134, 4296, 4654, 4940, 5035, 5370, 5512, 5928, 6042, 6360, 6802, 6890, 6981, 7160, 7410, 8056, 8268, 9308, 9487, 9880, 10070, 10203, 10335, 10740, 11635, 12084, 13091, 13604, 13780, 13962, 14820, 15105, 16536, 17005, 18616, 18974, 20140, 20406, 20670, 21480, 23270, 24168, 26182, 27208, 27560, 27924, 28461, 29640, 30210, 34010, 34905, 37948, 39273, 40280, 40812, 41340, 44213, 46540, 47435, 51015, 52364, 55848, 56922, 60420, 65455, 68020, 69810, 75896, 78546, 81624, 82680, 88426, 93080, 94870, 102030, 104728, 113844, 120840, 123331, 130910, 132639, 136040, 139620, 142305, 157092, 176852, 180253, 189740, 196365, 204060, 221065, 227688, 246662, 261820, 265278, 279240, 284610, 314184, 353704, 360506, 369993, 379480, 392730, 408120, 442130, 493324, 523640, 530556, 540759, 569220, 616655, 663195, 721012, 739986, 785460, 884260, 901265, 986648, 1061112, 1081518, 1138440, 1233310, 1326390, 1442024, 1479972, 1570920, 1768520, 1802530, 1849965, 2163036, 2343289, 2466620, 2652780, 2703795, 2959944, 3605060, 3699930, 4326072, 4686578, 4933240, 5305560, 5407590, 7029867, 7210120, 7399860, 9373156, 10815180, 11716445, 14059734, 14799720, 18746312, 21630360, 23432890, 28119468, 35149335, 46865780, 56238936, 70298670, 93731560, 140597340, 281194680]

約数ペア:

[(1, 281194680), (2, 140597340), (3, 93731560), (4, 70298670), (5, 56238936), (6, 46865780), (8, 35149335), (10, 28119468), (12, 23432890), (13, 21630360), (15, 18746312), (19, 14799720), (20, 14059734), (24, 11716445), (26, 10815180), (30, 9373156), (38, 7399860), (39, 7210120), (40, 7029867), (52, 5407590), (53, 5305560), (57, 4933240), (60, 4686578), (65, 4326072), (76, 3699930), (78, 3605060), (95, 2959944), (104, 2703795), (106, 2652780), (114, 2466620), (120, 2343289), (130, 2163036), (152, 1849965), (156, 1802530), (159, 1768520), (179, 1570920), (190, 1479972), (195, 1442024), (212, 1326390), (228, 1233310), (247, 1138440), (260, 1081518), (265, 1061112), (285, 986648), (312, 901265), (318, 884260), (358, 785460), (380, 739986), (390, 721012), (424, 663195), (456, 616655), (494, 569220), (520, 540759), (530, 530556), (537, 523640), (570, 493324), (636, 442130), (689, 408120), (716, 392730), (741, 379480), (760, 369993), (780, 360506), (795, 353704), (895, 314184), (988, 284610), (1007, 279240), (1060, 265278), (1074, 261820), (1140, 246662), (1235, 227688), (1272, 221065), (1378, 204060), (1432, 196365), (1482, 189740), (1560, 180253), (1590, 176852), (1790, 157092), (1976, 142305), (2014, 139620), (2067, 136040), (2120, 132639), (2148, 130910), (2280, 123331), (2327, 120840), (2470, 113844), (2685, 104728), (2756, 102030), (2964, 94870), (3021, 93080), (3180, 88426), (3401, 82680), (3445, 81624), (3580, 78546), (3705, 75896), (4028, 69810), (4134, 68020), (4296, 65455), (4654, 60420), (4940, 56922), (5035, 55848), (5370, 52364), (5512, 51015), (5928, 47435), (6042, 46540), (6360, 44213), (6802, 41340), (6890, 40812), (6981, 40280), (7160, 39273), (7410, 37948), (8056, 34905), (8268, 34010), (9308, 30210), (9487, 29640), (9880, 28461), (10070, 27924), (10203, 27560), (10335, 27208), (10740, 26182), (11635, 24168), (12084, 23270), (13091, 21480), (13604, 20670), (13780, 20406), (13962, 20140), (14820, 18974), (15105, 18616), (16536, 17005)]