78325520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 240453360

約数和(自身を除く): 162127840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 49, 52, 53, 56, 58, 65, 70, 80, 91, 98, 104, 106, 112, 116, 130, 140, 145, 182, 196, 203, 208, 212, 232, 245, 260, 265, 280, 290, 364, 371, 377, 392, 406, 424, 455, 464, 490, 520, 530, 560, 580, 637, 689, 728, 742, 754, 784, 812, 848, 910, 980, 1015, 1040, 1060, 1160, 1274, 1378, 1421, 1456, 1484, 1508, 1537, 1624, 1820, 1855, 1885, 1960, 2030, 2120, 2320, 2548, 2597, 2639, 2756, 2842, 2968, 3016, 3074, 3185, 3248, 3445, 3640, 3710, 3770, 3920, 4060, 4240, 4823, 5096, 5194, 5278, 5512, 5684, 5936, 6032, 6148, 6370, 6890, 7105, 7280, 7420, 7540, 7685, 8120, 9646, 10192, 10388, 10556, 10759, 11024, 11368, 12296, 12740, 12985, 13195, 13780, 14210, 14840, 15080, 15370, 16240, 18473, 19292, 19981, 20776, 21112, 21518, 22736, 24115, 24592, 25480, 25970, 26390, 27560, 28420, 29680, 30160, 30740, 33761, 36946, 38584, 39962, 41552, 42224, 43036, 48230, 50960, 51940, 52780, 53795, 55120, 56840, 61480, 67522, 73892, 75313, 77168, 79924, 86072, 92365, 96460, 99905, 103880, 105560, 107590, 113680, 122960, 135044, 139867, 147784, 150626, 159848, 168805, 172144, 184730, 192920, 199810, 207760, 211120, 215180, 270088, 279734, 295568, 301252, 319696, 337610, 369460, 376565, 385840, 399620, 430360, 540176, 559468, 602504, 675220, 699335, 738920, 753130, 799240, 860720, 979069, 1118936, 1205008, 1350440, 1398670, 1477840, 1506260, 1598480, 1958138, 2237872, 2700880, 2797340, 3012520, 3916276, 4895345, 5594680, 6025040, 7832552, 9790690, 11189360, 15665104, 19581380, 39162760, 78325520]

約数ペア:

[(1, 78325520), (2, 39162760), (4, 19581380), (5, 15665104), (7, 11189360), (8, 9790690), (10, 7832552), (13, 6025040), (14, 5594680), (16, 4895345), (20, 3916276), (26, 3012520), (28, 2797340), (29, 2700880), (35, 2237872), (40, 1958138), (49, 1598480), (52, 1506260), (53, 1477840), (56, 1398670), (58, 1350440), (65, 1205008), (70, 1118936), (80, 979069), (91, 860720), (98, 799240), (104, 753130), (106, 738920), (112, 699335), (116, 675220), (130, 602504), (140, 559468), (145, 540176), (182, 430360), (196, 399620), (203, 385840), (208, 376565), (212, 369460), (232, 337610), (245, 319696), (260, 301252), (265, 295568), (280, 279734), (290, 270088), (364, 215180), (371, 211120), (377, 207760), (392, 199810), (406, 192920), (424, 184730), (455, 172144), (464, 168805), (490, 159848), (520, 150626), (530, 147784), (560, 139867), (580, 135044), (637, 122960), (689, 113680), (728, 107590), (742, 105560), (754, 103880), (784, 99905), (812, 96460), (848, 92365), (910, 86072), (980, 79924), (1015, 77168), (1040, 75313), (1060, 73892), (1160, 67522), (1274, 61480), (1378, 56840), (1421, 55120), (1456, 53795), (1484, 52780), (1508, 51940), (1537, 50960), (1624, 48230), (1820, 43036), (1855, 42224), (1885, 41552), (1960, 39962), (2030, 38584), (2120, 36946), (2320, 33761), (2548, 30740), (2597, 30160), (2639, 29680), (2756, 28420), (2842, 27560), (2968, 26390), (3016, 25970), (3074, 25480), (3185, 24592), (3248, 24115), (3445, 22736), (3640, 21518), (3710, 21112), (3770, 20776), (3920, 19981), (4060, 19292), (4240, 18473), (4823, 16240), (5096, 15370), (5194, 15080), (5278, 14840), (5512, 14210), (5684, 13780), (5936, 13195), (6032, 12985), (6148, 12740), (6370, 12296), (6890, 11368), (7105, 11024), (7280, 10759), (7420, 10556), (7540, 10388), (7685, 10192), (8120, 9646)]