679879620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3119}}^1$

素因数の和:3314

約数の個数: 144

約数和(自身を含む): 2371299840

約数和(自身を除く): 1691420220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 173, 180, 210, 252, 315, 346, 420, 519, 630, 692, 865, 1038, 1211, 1260, 1557, 1730, 2076, 2422, 2595, 3114, 3119, 3460, 3633, 4844, 5190, 6055, 6228, 6238, 7266, 7785, 9357, 10380, 10899, 12110, 12476, 14532, 15570, 15595, 18165, 18714, 21798, 21833, 24220, 28071, 31140, 31190, 36330, 37428, 43596, 43666, 46785, 54495, 56142, 62380, 65499, 72660, 87332, 93570, 108990, 109165, 112284, 130998, 140355, 187140, 196497, 217980, 218330, 261996, 280710, 327495, 392994, 436660, 539587, 561420, 654990, 785988, 982485, 1079174, 1309980, 1618761, 1964970, 2158348, 2697935, 3237522, 3777109, 3929940, 4856283, 5395870, 6475044, 7554218, 8093805, 9712566, 10791740, 11331327, 15108436, 16187610, 18885545, 19425132, 22662654, 24281415, 32375220, 33993981, 37771090, 45325308, 48562830, 56656635, 67987962, 75542180, 97125660, 113313270, 135975924, 169969905, 226626540, 339939810, 679879620]

約数ペア:

[(1, 679879620), (2, 339939810), (3, 226626540), (4, 169969905), (5, 135975924), (6, 113313270), (7, 97125660), (9, 75542180), (10, 67987962), (12, 56656635), (14, 48562830), (15, 45325308), (18, 37771090), (20, 33993981), (21, 32375220), (28, 24281415), (30, 22662654), (35, 19425132), (36, 18885545), (42, 16187610), (45, 15108436), (60, 11331327), (63, 10791740), (70, 9712566), (84, 8093805), (90, 7554218), (105, 6475044), (126, 5395870), (140, 4856283), (173, 3929940), (180, 3777109), (210, 3237522), (252, 2697935), (315, 2158348), (346, 1964970), (420, 1618761), (519, 1309980), (630, 1079174), (692, 982485), (865, 785988), (1038, 654990), (1211, 561420), (1260, 539587), (1557, 436660), (1730, 392994), (2076, 327495), (2422, 280710), (2595, 261996), (3114, 218330), (3119, 217980), (3460, 196497), (3633, 187140), (4844, 140355), (5190, 130998), (6055, 112284), (6228, 109165), (6238, 108990), (7266, 93570), (7785, 87332), (9357, 72660), (10380, 65499), (10899, 62380), (12110, 56142), (12476, 54495), (14532, 46785), (15570, 43666), (15595, 43596), (18165, 37428), (18714, 36330), (21798, 31190), (21833, 31140), (24220, 28071)]