29289420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 95397120

約数和(自身を除く): 66107700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 181, 186, 261, 279, 290, 310, 348, 362, 372, 435, 465, 522, 543, 558, 580, 620, 724, 870, 899, 905, 930, 1044, 1086, 1116, 1305, 1395, 1629, 1740, 1798, 1810, 1860, 2172, 2610, 2697, 2715, 2790, 3258, 3596, 3620, 4495, 5220, 5249, 5394, 5430, 5580, 5611, 6516, 8091, 8145, 8990, 10498, 10788, 10860, 11222, 13485, 15747, 16182, 16290, 16833, 17980, 20996, 22444, 26245, 26970, 28055, 31494, 32364, 32580, 33666, 40455, 47241, 50499, 52490, 53940, 56110, 62988, 67332, 78735, 80910, 84165, 94482, 100998, 104980, 112220, 157470, 161820, 162719, 168330, 188964, 201996, 236205, 252495, 314940, 325438, 336660, 472410, 488157, 504990, 650876, 813595, 944820, 976314, 1009980, 1464471, 1627190, 1952628, 2440785, 2928942, 3254380, 4881570, 5857884, 7322355, 9763140, 14644710, 29289420]

約数ペア:

[(1, 29289420), (2, 14644710), (3, 9763140), (4, 7322355), (5, 5857884), (6, 4881570), (9, 3254380), (10, 2928942), (12, 2440785), (15, 1952628), (18, 1627190), (20, 1464471), (29, 1009980), (30, 976314), (31, 944820), (36, 813595), (45, 650876), (58, 504990), (60, 488157), (62, 472410), (87, 336660), (90, 325438), (93, 314940), (116, 252495), (124, 236205), (145, 201996), (155, 188964), (174, 168330), (180, 162719), (181, 161820), (186, 157470), (261, 112220), (279, 104980), (290, 100998), (310, 94482), (348, 84165), (362, 80910), (372, 78735), (435, 67332), (465, 62988), (522, 56110), (543, 53940), (558, 52490), (580, 50499), (620, 47241), (724, 40455), (870, 33666), (899, 32580), (905, 32364), (930, 31494), (1044, 28055), (1086, 26970), (1116, 26245), (1305, 22444), (1395, 20996), (1629, 17980), (1740, 16833), (1798, 16290), (1810, 16182), (1860, 15747), (2172, 13485), (2610, 11222), (2697, 10860), (2715, 10788), (2790, 10498), (3258, 8990), (3596, 8145), (3620, 8091), (4495, 6516), (5220, 5611), (5249, 5580), (5394, 5430)]