990148680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 288

約数和(自身を含む): 3540176640

約数和(自身を除く): 2550027960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 289, 306, 307, 310, 340, 360, 372, 408, 465, 510, 527, 558, 578, 612, 614, 620, 680, 744, 765, 867, 921, 930, 1020, 1054, 1116, 1156, 1224, 1228, 1240, 1395, 1445, 1530, 1535, 1581, 1734, 1842, 1860, 2040, 2108, 2232, 2312, 2456, 2601, 2635, 2763, 2790, 2890, 3060, 3070, 3162, 3468, 3684, 3720, 4216, 4335, 4605, 4743, 5202, 5219, 5270, 5526, 5580, 5780, 6120, 6140, 6324, 6936, 7368, 7905, 8670, 8959, 9210, 9486, 9517, 10404, 10438, 10540, 11052, 11160, 11560, 12280, 12648, 13005, 13815, 15657, 15810, 17340, 17918, 18420, 18972, 19034, 20808, 20876, 21080, 22104, 23715, 26010, 26095, 26877, 27630, 28551, 31314, 31620, 34680, 35836, 36840, 37944, 38068, 41752, 44795, 46971, 47430, 47585, 52020, 52190, 53754, 55260, 57102, 62628, 63240, 71672, 76136, 78285, 80631, 85653, 88723, 89590, 93942, 94860, 95170, 104040, 104380, 107508, 110520, 114204, 125256, 134385, 142755, 156570, 161262, 161789, 171306, 177446, 179180, 187884, 189720, 190340, 208760, 215016, 228408, 234855, 266169, 268770, 285510, 313140, 322524, 323578, 342612, 354892, 358360, 375768, 380680, 403155, 428265, 443615, 469710, 485367, 532338, 537540, 571020, 626280, 645048, 647156, 685224, 709784, 798507, 806310, 808945, 856530, 887230, 939420, 970734, 1064676, 1075080, 1142040, 1294312, 1330845, 1456101, 1597014, 1612620, 1617890, 1713060, 1774460, 1878840, 1941468, 2129352, 2426835, 2661690, 2750413, 2912202, 3194028, 3225240, 3235780, 3426120, 3548920, 3882936, 3992535, 4853670, 5323380, 5500826, 5824404, 6388056, 6471560, 7280505, 7985070, 8251239, 9707340, 10646760, 11001652, 11648808, 13752065, 14561010, 15970140, 16502478, 19414680, 22003304, 24753717, 27504130, 29122020, 31940280, 33004956, 41256195, 49507434, 55008260, 58244040, 66009912, 82512390, 99014868, 110016520, 123768585, 165024780, 198029736, 247537170, 330049560, 495074340, 990148680]

約数ペア:

[(1, 990148680), (2, 495074340), (3, 330049560), (4, 247537170), (5, 198029736), (6, 165024780), (8, 123768585), (9, 110016520), (10, 99014868), (12, 82512390), (15, 66009912), (17, 58244040), (18, 55008260), (20, 49507434), (24, 41256195), (30, 33004956), (31, 31940280), (34, 29122020), (36, 27504130), (40, 24753717), (45, 22003304), (51, 19414680), (60, 16502478), (62, 15970140), (68, 14561010), (72, 13752065), (85, 11648808), (90, 11001652), (93, 10646760), (102, 9707340), (120, 8251239), (124, 7985070), (136, 7280505), (153, 6471560), (155, 6388056), (170, 5824404), (180, 5500826), (186, 5323380), (204, 4853670), (248, 3992535), (255, 3882936), (279, 3548920), (289, 3426120), (306, 3235780), (307, 3225240), (310, 3194028), (340, 2912202), (360, 2750413), (372, 2661690), (408, 2426835), (465, 2129352), (510, 1941468), (527, 1878840), (558, 1774460), (578, 1713060), (612, 1617890), (614, 1612620), (620, 1597014), (680, 1456101), (744, 1330845), (765, 1294312), (867, 1142040), (921, 1075080), (930, 1064676), (1020, 970734), (1054, 939420), (1116, 887230), (1156, 856530), (1224, 808945), (1228, 806310), (1240, 798507), (1395, 709784), (1445, 685224), (1530, 647156), (1535, 645048), (1581, 626280), (1734, 571020), (1842, 537540), (1860, 532338), (2040, 485367), (2108, 469710), (2232, 443615), (2312, 428265), (2456, 403155), (2601, 380680), (2635, 375768), (2763, 358360), (2790, 354892), (2890, 342612), (3060, 323578), (3070, 322524), (3162, 313140), (3468, 285510), (3684, 268770), (3720, 266169), (4216, 234855), (4335, 228408), (4605, 215016), (4743, 208760), (5202, 190340), (5219, 189720), (5270, 187884), (5526, 179180), (5580, 177446), (5780, 171306), (6120, 161789), (6140, 161262), (6324, 156570), (6936, 142755), (7368, 134385), (7905, 125256), (8670, 114204), (8959, 110520), (9210, 107508), (9486, 104380), (9517, 104040), (10404, 95170), (10438, 94860), (10540, 93942), (11052, 89590), (11160, 88723), (11560, 85653), (12280, 80631), (12648, 78285), (13005, 76136), (13815, 71672), (15657, 63240), (15810, 62628), (17340, 57102), (17918, 55260), (18420, 53754), (18972, 52190), (19034, 52020), (20808, 47585), (20876, 47430), (21080, 46971), (22104, 44795), (23715, 41752), (26010, 38068), (26095, 37944), (26877, 36840), (27630, 35836), (28551, 34680), (31314, 31620)]