31390470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 91584000

約数和(自身を除く): 60193530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 87, 90, 95, 114, 135, 145, 171, 174, 190, 211, 261, 270, 285, 290, 342, 422, 435, 513, 522, 551, 570, 633, 783, 855, 870, 1026, 1055, 1102, 1266, 1305, 1566, 1653, 1710, 1899, 2110, 2565, 2610, 2755, 3165, 3306, 3798, 3915, 4009, 4959, 5130, 5510, 5697, 6119, 6330, 7830, 8018, 8265, 9495, 9918, 11394, 12027, 12238, 14877, 16530, 18357, 18990, 20045, 24054, 24795, 28485, 29754, 30595, 36081, 36714, 40090, 49590, 55071, 56970, 60135, 61190, 72162, 74385, 91785, 108243, 110142, 116261, 120270, 148770, 165213, 180405, 183570, 216486, 232522, 275355, 330426, 348783, 360810, 541215, 550710, 581305, 697566, 826065, 1046349, 1082430, 1162610, 1652130, 1743915, 2092698, 3139047, 3487830, 5231745, 6278094, 10463490, 15695235, 31390470]

約数ペア:

[(1, 31390470), (2, 15695235), (3, 10463490), (5, 6278094), (6, 5231745), (9, 3487830), (10, 3139047), (15, 2092698), (18, 1743915), (19, 1652130), (27, 1162610), (29, 1082430), (30, 1046349), (38, 826065), (45, 697566), (54, 581305), (57, 550710), (58, 541215), (87, 360810), (90, 348783), (95, 330426), (114, 275355), (135, 232522), (145, 216486), (171, 183570), (174, 180405), (190, 165213), (211, 148770), (261, 120270), (270, 116261), (285, 110142), (290, 108243), (342, 91785), (422, 74385), (435, 72162), (513, 61190), (522, 60135), (551, 56970), (570, 55071), (633, 49590), (783, 40090), (855, 36714), (870, 36081), (1026, 30595), (1055, 29754), (1102, 28485), (1266, 24795), (1305, 24054), (1566, 20045), (1653, 18990), (1710, 18357), (1899, 16530), (2110, 14877), (2565, 12238), (2610, 12027), (2755, 11394), (3165, 9918), (3306, 9495), (3798, 8265), (3915, 8018), (4009, 7830), (4959, 6330), (5130, 6119), (5510, 5697)]