421036991920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{20399}}^1$

素因数の和:20835

約数の個数: 160

約数和(自身を含む): 1061217792000

約数和(自身を除く): 640180800080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 367, 370, 380, 592, 703, 734, 740, 760, 1406, 1468, 1480, 1520, 1835, 2812, 2936, 2960, 3515, 3670, 5624, 5872, 6973, 7030, 7340, 11248, 13579, 13946, 14060, 14680, 20399, 27158, 27892, 28120, 29360, 34865, 40798, 54316, 55784, 56240, 67895, 69730, 81596, 101995, 108632, 111568, 135790, 139460, 163192, 203990, 217264, 258001, 271580, 278920, 326384, 387581, 407980, 516002, 543160, 557840, 754763, 775162, 815960, 1032004, 1086320, 1290005, 1509526, 1550324, 1631920, 1937905, 2064008, 2580010, 3019052, 3100648, 3773815, 3875810, 4128016, 5160020, 6038104, 6201296, 7486433, 7547630, 7751620, 10320040, 12076208, 14340497, 14972866, 15095260, 15503240, 20640080, 28680994, 29945732, 30190520, 31006480, 37432165, 57361988, 59891464, 60381040, 71702485, 74864330, 114723976, 119782928, 142242227, 143404970, 149728660, 229447952, 276998021, 284484454, 286809940, 299457320, 553996042, 568968908, 573619880, 598914640, 711211135, 1107992084, 1137937816, 1147239760, 1384990105, 1422422270, 2215984168, 2275875632, 2769980210, 2844844540, 4431968336, 5262962399, 5539960420, 5689689080, 10525924798, 11079920840, 11379378160, 21051849596, 22159841680, 26314811995, 42103699192, 52629623990, 84207398384, 105259247980, 210518495960, 421036991920]

約数ペア:

[(1, 421036991920), (2, 210518495960), (4, 105259247980), (5, 84207398384), (8, 52629623990), (10, 42103699192), (16, 26314811995), (19, 22159841680), (20, 21051849596), (37, 11379378160), (38, 11079920840), (40, 10525924798), (74, 5689689080), (76, 5539960420), (80, 5262962399), (95, 4431968336), (148, 2844844540), (152, 2769980210), (185, 2275875632), (190, 2215984168), (296, 1422422270), (304, 1384990105), (367, 1147239760), (370, 1137937816), (380, 1107992084), (592, 711211135), (703, 598914640), (734, 573619880), (740, 568968908), (760, 553996042), (1406, 299457320), (1468, 286809940), (1480, 284484454), (1520, 276998021), (1835, 229447952), (2812, 149728660), (2936, 143404970), (2960, 142242227), (3515, 119782928), (3670, 114723976), (5624, 74864330), (5872, 71702485), (6973, 60381040), (7030, 59891464), (7340, 57361988), (11248, 37432165), (13579, 31006480), (13946, 30190520), (14060, 29945732), (14680, 28680994), (20399, 20640080), (27158, 15503240), (27892, 15095260), (28120, 14972866), (29360, 14340497), (34865, 12076208), (40798, 10320040), (54316, 7751620), (55784, 7547630), (56240, 7486433), (67895, 6201296), (69730, 6038104), (81596, 5160020), (101995, 4128016), (108632, 3875810), (111568, 3773815), (135790, 3100648), (139460, 3019052), (163192, 2580010), (203990, 2064008), (217264, 1937905), (258001, 1631920), (271580, 1550324), (278920, 1509526), (326384, 1290005), (387581, 1086320), (407980, 1032004), (516002, 815960), (543160, 775162), (557840, 754763)]