396966780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10163}}^1$

素因数の和:10216

約数の個数: 144

約数和(自身を含む): 1420683264

約数和(自身を除く): 1023716484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 10163, 13020, 19530, 20326, 30489, 39060, 40652, 50815, 60978, 71141, 91467, 101630, 121956, 142282, 152445, 182934, 203260, 213423, 284564, 304890, 315053, 355705, 365868, 426846, 457335, 609780, 630106, 640269, 711410, 853692, 914670, 945159, 1067115, 1260212, 1280538, 1422820, 1575265, 1829340, 1890318, 2134230, 2205371, 2561076, 2835477, 3150530, 3201345, 3780636, 4268460, 4410742, 4725795, 5670954, 6301060, 6402690, 6616113, 8821484, 9451590, 11026855, 11341908, 12805380, 13232226, 14177385, 18903180, 19848339, 22053710, 26464452, 28354770, 33080565, 39696678, 44107420, 56709540, 66161130, 79393356, 99241695, 132322260, 198483390, 396966780]

約数ペア:

[(1, 396966780), (2, 198483390), (3, 132322260), (4, 99241695), (5, 79393356), (6, 66161130), (7, 56709540), (9, 44107420), (10, 39696678), (12, 33080565), (14, 28354770), (15, 26464452), (18, 22053710), (20, 19848339), (21, 18903180), (28, 14177385), (30, 13232226), (31, 12805380), (35, 11341908), (36, 11026855), (42, 9451590), (45, 8821484), (60, 6616113), (62, 6402690), (63, 6301060), (70, 5670954), (84, 4725795), (90, 4410742), (93, 4268460), (105, 3780636), (124, 3201345), (126, 3150530), (140, 2835477), (155, 2561076), (180, 2205371), (186, 2134230), (210, 1890318), (217, 1829340), (252, 1575265), (279, 1422820), (310, 1280538), (315, 1260212), (372, 1067115), (420, 945159), (434, 914670), (465, 853692), (558, 711410), (620, 640269), (630, 630106), (651, 609780), (868, 457335), (930, 426846), (1085, 365868), (1116, 355705), (1260, 315053), (1302, 304890), (1395, 284564), (1860, 213423), (1953, 203260), (2170, 182934), (2604, 152445), (2790, 142282), (3255, 121956), (3906, 101630), (4340, 91467), (5580, 71141), (6510, 60978), (7812, 50815), (9765, 40652), (10163, 39060), (13020, 30489), (19530, 20326)]