20118751590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{9277}}^1$

素因数の和:9766

約数の個数: 128

約数和(自身を含む): 57716582400

約数和(自身を除く): 37597830810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 449, 483, 690, 805, 898, 966, 1347, 1610, 2245, 2415, 2694, 3143, 4490, 4830, 6286, 6735, 9277, 9429, 10327, 13470, 15715, 18554, 18858, 20654, 27831, 30981, 31430, 46385, 47145, 51635, 55662, 61962, 64939, 72289, 92770, 94290, 103270, 129878, 139155, 144578, 154905, 194817, 213371, 216867, 278310, 309810, 324695, 361445, 389634, 426742, 433734, 640113, 649390, 722890, 974085, 1066855, 1084335, 1280226, 1493597, 1948170, 2133710, 2168670, 2987194, 3200565, 4165373, 4480791, 6401130, 7467985, 8330746, 8961582, 12496119, 14935970, 20826865, 22403955, 24992238, 29157611, 41653730, 44807910, 58315222, 62480595, 87472833, 95803579, 124961190, 145788055, 174945666, 191607158, 287410737, 291576110, 437364165, 479017895, 574821474, 670625053, 874728330, 958035790, 1341250106, 1437053685, 2011875159, 2874107370, 3353125265, 4023750318, 6706250530, 10059375795, 20118751590]

約数ペア:

[(1, 20118751590), (2, 10059375795), (3, 6706250530), (5, 4023750318), (6, 3353125265), (7, 2874107370), (10, 2011875159), (14, 1437053685), (15, 1341250106), (21, 958035790), (23, 874728330), (30, 670625053), (35, 574821474), (42, 479017895), (46, 437364165), (69, 291576110), (70, 287410737), (105, 191607158), (115, 174945666), (138, 145788055), (161, 124961190), (210, 95803579), (230, 87472833), (322, 62480595), (345, 58315222), (449, 44807910), (483, 41653730), (690, 29157611), (805, 24992238), (898, 22403955), (966, 20826865), (1347, 14935970), (1610, 12496119), (2245, 8961582), (2415, 8330746), (2694, 7467985), (3143, 6401130), (4490, 4480791), (4830, 4165373), (6286, 3200565), (6735, 2987194), (9277, 2168670), (9429, 2133710), (10327, 1948170), (13470, 1493597), (15715, 1280226), (18554, 1084335), (18858, 1066855), (20654, 974085), (27831, 722890), (30981, 649390), (31430, 640113), (46385, 433734), (47145, 426742), (51635, 389634), (55662, 361445), (61962, 324695), (64939, 309810), (72289, 278310), (92770, 216867), (94290, 213371), (103270, 194817), (129878, 154905), (139155, 144578)]