15154020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 56985600

約数和(自身を除く): 41831580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 211, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 422, 513, 532, 540, 570, 630, 633, 665, 684, 756, 798, 844, 855, 945, 1026, 1055, 1140, 1197, 1260, 1266, 1330, 1477, 1596, 1710, 1890, 1899, 1995, 2052, 2110, 2394, 2532, 2565, 2660, 2954, 3165, 3420, 3591, 3780, 3798, 3990, 4009, 4220, 4431, 4788, 5130, 5697, 5908, 5985, 6330, 7182, 7385, 7596, 7980, 8018, 8862, 9495, 10260, 11394, 11970, 12027, 12660, 13293, 14364, 14770, 16036, 17724, 17955, 18990, 20045, 22155, 22788, 23940, 24054, 26586, 28063, 28485, 29540, 35910, 36081, 37980, 39879, 40090, 44310, 48108, 53172, 56126, 56970, 60135, 66465, 71820, 72162, 79758, 80180, 84189, 88620, 108243, 112252, 113940, 120270, 132930, 140315, 144324, 159516, 168378, 180405, 199395, 216486, 240540, 252567, 265860, 280630, 336756, 360810, 398790, 420945, 432972, 505134, 541215, 561260, 721620, 757701, 797580, 841890, 1010268, 1082430, 1262835, 1515402, 1683780, 2164860, 2525670, 3030804, 3788505, 5051340, 7577010, 15154020]

約数ペア:

[(1, 15154020), (2, 7577010), (3, 5051340), (4, 3788505), (5, 3030804), (6, 2525670), (7, 2164860), (9, 1683780), (10, 1515402), (12, 1262835), (14, 1082430), (15, 1010268), (18, 841890), (19, 797580), (20, 757701), (21, 721620), (27, 561260), (28, 541215), (30, 505134), (35, 432972), (36, 420945), (38, 398790), (42, 360810), (45, 336756), (54, 280630), (57, 265860), (60, 252567), (63, 240540), (70, 216486), (76, 199395), (84, 180405), (90, 168378), (95, 159516), (105, 144324), (108, 140315), (114, 132930), (126, 120270), (133, 113940), (135, 112252), (140, 108243), (171, 88620), (180, 84189), (189, 80180), (190, 79758), (210, 72162), (211, 71820), (228, 66465), (252, 60135), (266, 56970), (270, 56126), (285, 53172), (315, 48108), (342, 44310), (378, 40090), (380, 39879), (399, 37980), (420, 36081), (422, 35910), (513, 29540), (532, 28485), (540, 28063), (570, 26586), (630, 24054), (633, 23940), (665, 22788), (684, 22155), (756, 20045), (798, 18990), (844, 17955), (855, 17724), (945, 16036), (1026, 14770), (1055, 14364), (1140, 13293), (1197, 12660), (1260, 12027), (1266, 11970), (1330, 11394), (1477, 10260), (1596, 9495), (1710, 8862), (1890, 8018), (1899, 7980), (1995, 7596), (2052, 7385), (2110, 7182), (2394, 6330), (2532, 5985), (2565, 5908), (2660, 5697), (2954, 5130), (3165, 4788), (3420, 4431), (3591, 4220), (3780, 4009), (3798, 3990)]