1835820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 6709248

約数和(自身を除く): 4873428

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, 47, 60, 62, 63, 70, 84, 90, 93, 94, 105, 124, 126, 140, 141, 155, 180, 186, 188, 210, 217, 235, 252, 279, 282, 310, 315, 329, 372, 420, 423, 434, 465, 470, 558, 564, 620, 630, 651, 658, 705, 846, 868, 930, 940, 987, 1085, 1116, 1260, 1302, 1316, 1395, 1410, 1457, 1645, 1692, 1860, 1953, 1974, 2115, 2170, 2604, 2790, 2820, 2914, 2961, 3255, 3290, 3906, 3948, 4230, 4340, 4371, 4935, 5580, 5828, 5922, 6510, 6580, 7285, 7812, 8460, 8742, 9765, 9870, 10199, 11844, 13020, 13113, 14570, 14805, 17484, 19530, 19740, 20398, 21855, 26226, 29140, 29610, 30597, 39060, 40796, 43710, 50995, 52452, 59220, 61194, 65565, 87420, 91791, 101990, 122388, 131130, 152985, 183582, 203980, 262260, 305970, 367164, 458955, 611940, 917910, 1835820]

約数ペア:

[(1, 1835820), (2, 917910), (3, 611940), (4, 458955), (5, 367164), (6, 305970), (7, 262260), (9, 203980), (10, 183582), (12, 152985), (14, 131130), (15, 122388), (18, 101990), (20, 91791), (21, 87420), (28, 65565), (30, 61194), (31, 59220), (35, 52452), (36, 50995), (42, 43710), (45, 40796), (47, 39060), (60, 30597), (62, 29610), (63, 29140), (70, 26226), (84, 21855), (90, 20398), (93, 19740), (94, 19530), (105, 17484), (124, 14805), (126, 14570), (140, 13113), (141, 13020), (155, 11844), (180, 10199), (186, 9870), (188, 9765), (210, 8742), (217, 8460), (235, 7812), (252, 7285), (279, 6580), (282, 6510), (310, 5922), (315, 5828), (329, 5580), (372, 4935), (420, 4371), (423, 4340), (434, 4230), (465, 3948), (470, 3906), (558, 3290), (564, 3255), (620, 2961), (630, 2914), (651, 2820), (658, 2790), (705, 2604), (846, 2170), (868, 2115), (930, 1974), (940, 1953), (987, 1860), (1085, 1692), (1116, 1645), (1260, 1457), (1302, 1410), (1316, 1395)]