420162990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 1161216000

約数和(自身を除く): 741053010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 127, 130, 170, 195, 221, 254, 255, 381, 390, 442, 499, 510, 635, 663, 762, 998, 1105, 1270, 1326, 1497, 1651, 1905, 2159, 2210, 2495, 2994, 3302, 3315, 3810, 4318, 4953, 4990, 6477, 6487, 6630, 7485, 8255, 8483, 9906, 10795, 12954, 12974, 14970, 16510, 16966, 19461, 21590, 24765, 25449, 28067, 32385, 32435, 38922, 42415, 49530, 50898, 56134, 63373, 64770, 64870, 84201, 84830, 97305, 110279, 126746, 127245, 140335, 168402, 190119, 194610, 220558, 254490, 280670, 316865, 330837, 380238, 421005, 551395, 633730, 661674, 823849, 842010, 950595, 1077341, 1102790, 1647698, 1654185, 1901190, 2154682, 2471547, 3232023, 3308370, 4119245, 4943094, 5386705, 6464046, 8238490, 10773410, 12357735, 14005433, 16160115, 24715470, 28010866, 32320230, 42016299, 70027165, 84032598, 140054330, 210081495, 420162990]

約数ペア:

[(1, 420162990), (2, 210081495), (3, 140054330), (5, 84032598), (6, 70027165), (10, 42016299), (13, 32320230), (15, 28010866), (17, 24715470), (26, 16160115), (30, 14005433), (34, 12357735), (39, 10773410), (51, 8238490), (65, 6464046), (78, 5386705), (85, 4943094), (102, 4119245), (127, 3308370), (130, 3232023), (170, 2471547), (195, 2154682), (221, 1901190), (254, 1654185), (255, 1647698), (381, 1102790), (390, 1077341), (442, 950595), (499, 842010), (510, 823849), (635, 661674), (663, 633730), (762, 551395), (998, 421005), (1105, 380238), (1270, 330837), (1326, 316865), (1497, 280670), (1651, 254490), (1905, 220558), (2159, 194610), (2210, 190119), (2495, 168402), (2994, 140335), (3302, 127245), (3315, 126746), (3810, 110279), (4318, 97305), (4953, 84830), (4990, 84201), (6477, 64870), (6487, 64770), (6630, 63373), (7485, 56134), (8255, 50898), (8483, 49530), (9906, 42415), (10795, 38922), (12954, 32435), (12974, 32385), (14970, 28067), (16510, 25449), (16966, 24765), (19461, 21590)]