158728908160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1121

約数の個数: 192

約数和(自身を含む): 393678424800

約数和(自身を除く): 234949516640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 409, 496, 620, 631, 640, 818, 961, 992, 1240, 1262, 1636, 1922, 1984, 2045, 2480, 2524, 3155, 3272, 3844, 3968, 4090, 4805, 4960, 5048, 6310, 6544, 7688, 8180, 9610, 9920, 10096, 12620, 12679, 13088, 15376, 16360, 19220, 19561, 19840, 20192, 25240, 25358, 26176, 30752, 32720, 38440, 39122, 40384, 50480, 50716, 52352, 61504, 63395, 65440, 76880, 78244, 80768, 97805, 100960, 101432, 123008, 126790, 130880, 153760, 156488, 195610, 201920, 202864, 253580, 258079, 261760, 307520, 312976, 391220, 393049, 403840, 405728, 507160, 516158, 606391, 615040, 625952, 782440, 786098, 811456, 1014320, 1032316, 1212782, 1251904, 1290395, 1564880, 1572196, 1622912, 1965245, 2028640, 2064632, 2425564, 2503808, 2580790, 3031955, 3129760, 3144392, 3930490, 4057280, 4129264, 4851128, 5161580, 6063910, 6259520, 6288784, 7860980, 8000449, 8114560, 8258528, 9702256, 10323160, 12127820, 12519040, 12577568, 15721960, 16000898, 16517056, 19404512, 20646320, 24255640, 25155136, 31443920, 32001796, 33034112, 38809024, 40002245, 41292640, 48511280, 50310272, 62887840, 64003592, 77618048, 80004490, 82585280, 97022560, 125775680, 128007184, 160008980, 165170560, 194045120, 248013919, 251551360, 256014368, 320017960, 388090240, 496027838, 512028736, 640035920, 992055676, 1024057472, 1240069595, 1280071840, 1984111352, 2480139190, 2560143680, 3968222704, 4960278380, 5120287360, 7936445408, 9920556760, 15872890816, 19841113520, 31745781632, 39682227040, 79364454080, 158728908160]

約数ペア:

[(1, 158728908160), (2, 79364454080), (4, 39682227040), (5, 31745781632), (8, 19841113520), (10, 15872890816), (16, 9920556760), (20, 7936445408), (31, 5120287360), (32, 4960278380), (40, 3968222704), (62, 2560143680), (64, 2480139190), (80, 1984111352), (124, 1280071840), (128, 1240069595), (155, 1024057472), (160, 992055676), (248, 640035920), (310, 512028736), (320, 496027838), (409, 388090240), (496, 320017960), (620, 256014368), (631, 251551360), (640, 248013919), (818, 194045120), (961, 165170560), (992, 160008980), (1240, 128007184), (1262, 125775680), (1636, 97022560), (1922, 82585280), (1984, 80004490), (2045, 77618048), (2480, 64003592), (2524, 62887840), (3155, 50310272), (3272, 48511280), (3844, 41292640), (3968, 40002245), (4090, 38809024), (4805, 33034112), (4960, 32001796), (5048, 31443920), (6310, 25155136), (6544, 24255640), (7688, 20646320), (8180, 19404512), (9610, 16517056), (9920, 16000898), (10096, 15721960), (12620, 12577568), (12679, 12519040), (13088, 12127820), (15376, 10323160), (16360, 9702256), (19220, 8258528), (19561, 8114560), (19840, 8000449), (20192, 7860980), (25240, 6288784), (25358, 6259520), (26176, 6063910), (30752, 5161580), (32720, 4851128), (38440, 4129264), (39122, 4057280), (40384, 3930490), (50480, 3144392), (50716, 3129760), (52352, 3031955), (61504, 2580790), (63395, 2503808), (65440, 2425564), (76880, 2064632), (78244, 2028640), (80768, 1965245), (97805, 1622912), (100960, 1572196), (101432, 1564880), (123008, 1290395), (126790, 1251904), (130880, 1212782), (153760, 1032316), (156488, 1014320), (195610, 811456), (201920, 786098), (202864, 782440), (253580, 625952), (258079, 615040), (261760, 606391), (307520, 516158), (312976, 507160), (391220, 405728), (393049, 403840)]