878998260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 288

約数和(自身を含む): 3109518720

約数和(自身を除く): 2230520460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 49, 51, 60, 68, 70, 84, 85, 86, 98, 102, 105, 119, 129, 140, 147, 170, 172, 196, 204, 210, 215, 238, 245, 255, 258, 294, 301, 340, 357, 409, 420, 430, 476, 490, 510, 516, 588, 595, 602, 645, 714, 731, 735, 818, 833, 860, 903, 980, 1020, 1190, 1204, 1227, 1290, 1428, 1462, 1470, 1505, 1636, 1666, 1785, 1806, 2045, 2107, 2193, 2380, 2454, 2499, 2580, 2863, 2924, 2940, 3010, 3332, 3570, 3612, 3655, 4090, 4165, 4214, 4386, 4515, 4908, 4998, 5117, 5726, 6020, 6135, 6321, 6953, 7140, 7310, 8180, 8330, 8428, 8589, 8772, 9030, 9996, 10234, 10535, 10965, 11452, 12270, 12495, 12642, 13906, 14315, 14620, 15351, 16660, 17178, 17587, 18060, 20041, 20468, 20859, 21070, 21930, 24540, 24990, 25284, 25585, 27812, 28630, 30702, 31605, 34356, 34765, 35174, 35819, 40082, 41718, 42140, 42945, 43860, 48671, 49980, 51170, 52761, 57260, 60123, 61404, 63210, 69530, 70348, 71638, 76755, 80164, 83436, 85890, 87935, 97342, 100205, 102340, 104295, 105522, 107457, 120246, 123109, 126420, 139060, 143276, 146013, 153510, 171780, 175870, 179095, 194684, 200410, 208590, 211044, 214914, 240492, 243355, 246218, 263805, 292026, 298979, 300615, 307020, 340697, 351740, 358190, 369327, 400820, 417180, 429828, 486710, 492436, 527610, 537285, 584052, 597958, 601230, 615545, 681394, 716380, 730065, 738654, 861763, 896937, 973420, 1022091, 1055220, 1074570, 1195916, 1202460, 1231090, 1362788, 1460130, 1477308, 1494895, 1703485, 1723526, 1793874, 1846635, 2044182, 2092853, 2149140, 2462180, 2585289, 2920260, 2989790, 3406970, 3447052, 3587748, 3693270, 4088364, 4185706, 4308815, 4484685, 5110455, 5170578, 5979580, 6278559, 6813940, 7386540, 8371412, 8617630, 8969370, 10220910, 10341156, 10464265, 12557118, 12926445, 14649971, 17235260, 17938740, 20441820, 20928530, 25114236, 25852890, 29299942, 31392795, 41857060, 43949913, 51705780, 58599884, 62785590, 73249855, 87899826, 125571180, 146499710, 175799652, 219749565, 292999420, 439499130, 878998260]

約数ペア:

[(1, 878998260), (2, 439499130), (3, 292999420), (4, 219749565), (5, 175799652), (6, 146499710), (7, 125571180), (10, 87899826), (12, 73249855), (14, 62785590), (15, 58599884), (17, 51705780), (20, 43949913), (21, 41857060), (28, 31392795), (30, 29299942), (34, 25852890), (35, 25114236), (42, 20928530), (43, 20441820), (49, 17938740), (51, 17235260), (60, 14649971), (68, 12926445), (70, 12557118), (84, 10464265), (85, 10341156), (86, 10220910), (98, 8969370), (102, 8617630), (105, 8371412), (119, 7386540), (129, 6813940), (140, 6278559), (147, 5979580), (170, 5170578), (172, 5110455), (196, 4484685), (204, 4308815), (210, 4185706), (215, 4088364), (238, 3693270), (245, 3587748), (255, 3447052), (258, 3406970), (294, 2989790), (301, 2920260), (340, 2585289), (357, 2462180), (409, 2149140), (420, 2092853), (430, 2044182), (476, 1846635), (490, 1793874), (510, 1723526), (516, 1703485), (588, 1494895), (595, 1477308), (602, 1460130), (645, 1362788), (714, 1231090), (731, 1202460), (735, 1195916), (818, 1074570), (833, 1055220), (860, 1022091), (903, 973420), (980, 896937), (1020, 861763), (1190, 738654), (1204, 730065), (1227, 716380), (1290, 681394), (1428, 615545), (1462, 601230), (1470, 597958), (1505, 584052), (1636, 537285), (1666, 527610), (1785, 492436), (1806, 486710), (2045, 429828), (2107, 417180), (2193, 400820), (2380, 369327), (2454, 358190), (2499, 351740), (2580, 340697), (2863, 307020), (2924, 300615), (2940, 298979), (3010, 292026), (3332, 263805), (3570, 246218), (3612, 243355), (3655, 240492), (4090, 214914), (4165, 211044), (4214, 208590), (4386, 200410), (4515, 194684), (4908, 179095), (4998, 175870), (5117, 171780), (5726, 153510), (6020, 146013), (6135, 143276), (6321, 139060), (6953, 126420), (7140, 123109), (7310, 120246), (8180, 107457), (8330, 105522), (8428, 104295), (8589, 102340), (8772, 100205), (9030, 97342), (9996, 87935), (10234, 85890), (10535, 83436), (10965, 80164), (11452, 76755), (12270, 71638), (12495, 70348), (12642, 69530), (13906, 63210), (14315, 61404), (14620, 60123), (15351, 57260), (16660, 52761), (17178, 51170), (17587, 49980), (18060, 48671), (20041, 43860), (20468, 42945), (20859, 42140), (21070, 41718), (21930, 40082), (24540, 35819), (24990, 35174), (25284, 34765), (25585, 34356), (27812, 31605), (28630, 30702)]