123465420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2824

約数の個数: 144

約数和(自身を含む): 424700640

約数和(自身を除く): 301235220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2777, 2964, 3420, 3705, 4446, 4940, 5554, 7410, 8331, 8892, 11108, 11115, 13885, 14820, 16662, 22230, 24993, 27770, 33324, 36101, 41655, 44460, 49986, 52763, 55540, 72202, 83310, 99972, 105526, 108303, 124965, 144404, 158289, 166620, 180505, 211052, 216606, 249930, 263815, 316578, 324909, 361010, 433212, 474867, 499860, 527630, 541515, 633156, 649818, 685919, 722020, 791445, 949734, 1055260, 1083030, 1299636, 1371838, 1582890, 1624545, 1899468, 2057757, 2166060, 2374335, 2743676, 3165780, 3249090, 3429595, 4115514, 4748670, 6173271, 6498180, 6859190, 8231028, 9497340, 10288785, 12346542, 13718380, 20577570, 24693084, 30866355, 41155140, 61732710, 123465420]

約数ペア:

[(1, 123465420), (2, 61732710), (3, 41155140), (4, 30866355), (5, 24693084), (6, 20577570), (9, 13718380), (10, 12346542), (12, 10288785), (13, 9497340), (15, 8231028), (18, 6859190), (19, 6498180), (20, 6173271), (26, 4748670), (30, 4115514), (36, 3429595), (38, 3249090), (39, 3165780), (45, 2743676), (52, 2374335), (57, 2166060), (60, 2057757), (65, 1899468), (76, 1624545), (78, 1582890), (90, 1371838), (95, 1299636), (114, 1083030), (117, 1055260), (130, 949734), (156, 791445), (171, 722020), (180, 685919), (190, 649818), (195, 633156), (228, 541515), (234, 527630), (247, 499860), (260, 474867), (285, 433212), (342, 361010), (380, 324909), (390, 316578), (468, 263815), (494, 249930), (570, 216606), (585, 211052), (684, 180505), (741, 166620), (780, 158289), (855, 144404), (988, 124965), (1140, 108303), (1170, 105526), (1235, 99972), (1482, 83310), (1710, 72202), (2223, 55540), (2340, 52763), (2470, 49986), (2777, 44460), (2964, 41655), (3420, 36101), (3705, 33324), (4446, 27770), (4940, 24993), (5554, 22230), (7410, 16662), (8331, 14820), (8892, 13885), (11108, 11115)]