396758640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:779

約数の個数: 160

約数和(自身を含む): 1282542912

約数和(自身を除く): 885784272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 61, 80, 82, 120, 122, 123, 164, 183, 205, 240, 244, 246, 305, 328, 366, 410, 488, 492, 610, 615, 656, 661, 732, 820, 915, 976, 984, 1220, 1230, 1322, 1464, 1640, 1830, 1968, 1983, 2440, 2460, 2501, 2644, 2928, 3280, 3305, 3660, 3966, 4880, 4920, 5002, 5288, 6610, 7320, 7503, 7932, 9840, 9915, 10004, 10576, 12505, 13220, 14640, 15006, 15864, 19830, 20008, 25010, 26440, 27101, 30012, 31728, 37515, 39660, 40016, 40321, 50020, 52880, 54202, 60024, 75030, 79320, 80642, 81303, 100040, 108404, 120048, 120963, 135505, 150060, 158640, 161284, 162606, 200080, 201605, 216808, 241926, 271010, 300120, 322568, 325212, 403210, 406515, 433616, 483852, 542020, 600240, 604815, 645136, 650424, 806420, 813030, 967704, 1084040, 1209630, 1300848, 1612840, 1626060, 1653161, 1935408, 2168080, 2419260, 3225680, 3252120, 3306322, 4838520, 4959483, 6504240, 6612644, 8265805, 9677040, 9918966, 13225288, 16531610, 19837932, 24797415, 26450576, 33063220, 39675864, 49594830, 66126440, 79351728, 99189660, 132252880, 198379320, 396758640]

約数ペア:

[(1, 396758640), (2, 198379320), (3, 132252880), (4, 99189660), (5, 79351728), (6, 66126440), (8, 49594830), (10, 39675864), (12, 33063220), (15, 26450576), (16, 24797415), (20, 19837932), (24, 16531610), (30, 13225288), (40, 9918966), (41, 9677040), (48, 8265805), (60, 6612644), (61, 6504240), (80, 4959483), (82, 4838520), (120, 3306322), (122, 3252120), (123, 3225680), (164, 2419260), (183, 2168080), (205, 1935408), (240, 1653161), (244, 1626060), (246, 1612840), (305, 1300848), (328, 1209630), (366, 1084040), (410, 967704), (488, 813030), (492, 806420), (610, 650424), (615, 645136), (656, 604815), (661, 600240), (732, 542020), (820, 483852), (915, 433616), (976, 406515), (984, 403210), (1220, 325212), (1230, 322568), (1322, 300120), (1464, 271010), (1640, 241926), (1830, 216808), (1968, 201605), (1983, 200080), (2440, 162606), (2460, 161284), (2501, 158640), (2644, 150060), (2928, 135505), (3280, 120963), (3305, 120048), (3660, 108404), (3966, 100040), (4880, 81303), (4920, 80642), (5002, 79320), (5288, 75030), (6610, 60024), (7320, 54202), (7503, 52880), (7932, 50020), (9840, 40321), (9915, 40016), (10004, 39660), (10576, 37515), (12505, 31728), (13220, 30012), (14640, 27101), (15006, 26440), (15864, 25010), (19830, 20008)]