201631440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 160

約数和(自身を含む): 661957632

約数和(自身を除く): 460326192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 41, 48, 60, 62, 80, 82, 93, 120, 123, 124, 155, 164, 186, 205, 240, 246, 248, 310, 328, 372, 410, 465, 492, 496, 615, 620, 656, 661, 744, 820, 930, 984, 1230, 1240, 1271, 1322, 1488, 1640, 1860, 1968, 1983, 2460, 2480, 2542, 2644, 3280, 3305, 3720, 3813, 3966, 4920, 5084, 5288, 6355, 6610, 7440, 7626, 7932, 9840, 9915, 10168, 10576, 12710, 13220, 15252, 15864, 19065, 19830, 20336, 20491, 25420, 26440, 27101, 30504, 31728, 38130, 39660, 40982, 50840, 52880, 54202, 61008, 61473, 76260, 79320, 81303, 81964, 101680, 102455, 108404, 122946, 135505, 152520, 158640, 162606, 163928, 204910, 216808, 245892, 271010, 305040, 307365, 325212, 327856, 406515, 409820, 433616, 491784, 542020, 614730, 650424, 813030, 819640, 840131, 983568, 1084040, 1229460, 1300848, 1626060, 1639280, 1680262, 2168080, 2458920, 2520393, 3252120, 3360524, 4200655, 4917840, 5040786, 6504240, 6721048, 8401310, 10081572, 12601965, 13442096, 16802620, 20163144, 25203930, 33605240, 40326288, 50407860, 67210480, 100815720, 201631440]

約数ペア:

[(1, 201631440), (2, 100815720), (3, 67210480), (4, 50407860), (5, 40326288), (6, 33605240), (8, 25203930), (10, 20163144), (12, 16802620), (15, 13442096), (16, 12601965), (20, 10081572), (24, 8401310), (30, 6721048), (31, 6504240), (40, 5040786), (41, 4917840), (48, 4200655), (60, 3360524), (62, 3252120), (80, 2520393), (82, 2458920), (93, 2168080), (120, 1680262), (123, 1639280), (124, 1626060), (155, 1300848), (164, 1229460), (186, 1084040), (205, 983568), (240, 840131), (246, 819640), (248, 813030), (310, 650424), (328, 614730), (372, 542020), (410, 491784), (465, 433616), (492, 409820), (496, 406515), (615, 327856), (620, 325212), (656, 307365), (661, 305040), (744, 271010), (820, 245892), (930, 216808), (984, 204910), (1230, 163928), (1240, 162606), (1271, 158640), (1322, 152520), (1488, 135505), (1640, 122946), (1860, 108404), (1968, 102455), (1983, 101680), (2460, 81964), (2480, 81303), (2542, 79320), (2644, 76260), (3280, 61473), (3305, 61008), (3720, 54202), (3813, 52880), (3966, 50840), (4920, 40982), (5084, 39660), (5288, 38130), (6355, 31728), (6610, 30504), (7440, 27101), (7626, 26440), (7932, 25420), (9840, 20491), (9915, 20336), (10168, 19830), (10576, 19065), (12710, 15864), (13220, 15252)]