68412420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 223292160

約数和(自身を除く): 154879740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 85, 90, 102, 153, 158, 170, 180, 204, 237, 255, 283, 306, 316, 340, 395, 474, 510, 566, 612, 711, 765, 790, 849, 948, 1020, 1132, 1185, 1343, 1415, 1422, 1530, 1580, 1698, 2370, 2547, 2686, 2830, 2844, 3060, 3396, 3555, 4029, 4245, 4740, 4811, 5094, 5372, 5660, 6715, 7110, 8058, 8490, 9622, 10188, 12087, 12735, 13430, 14220, 14433, 16116, 16980, 19244, 20145, 22357, 24055, 24174, 25470, 26860, 28866, 40290, 43299, 44714, 48110, 48348, 50940, 57732, 60435, 67071, 72165, 80580, 86598, 89428, 96220, 111785, 120870, 134142, 144330, 173196, 201213, 216495, 223570, 241740, 268284, 288660, 335355, 380069, 402426, 432990, 447140, 670710, 760138, 804852, 865980, 1006065, 1140207, 1341420, 1520276, 1900345, 2012130, 2280414, 3420621, 3800690, 4024260, 4560828, 5701035, 6841242, 7601380, 11402070, 13682484, 17103105, 22804140, 34206210, 68412420]

約数ペア:

[(1, 68412420), (2, 34206210), (3, 22804140), (4, 17103105), (5, 13682484), (6, 11402070), (9, 7601380), (10, 6841242), (12, 5701035), (15, 4560828), (17, 4024260), (18, 3800690), (20, 3420621), (30, 2280414), (34, 2012130), (36, 1900345), (45, 1520276), (51, 1341420), (60, 1140207), (68, 1006065), (79, 865980), (85, 804852), (90, 760138), (102, 670710), (153, 447140), (158, 432990), (170, 402426), (180, 380069), (204, 335355), (237, 288660), (255, 268284), (283, 241740), (306, 223570), (316, 216495), (340, 201213), (395, 173196), (474, 144330), (510, 134142), (566, 120870), (612, 111785), (711, 96220), (765, 89428), (790, 86598), (849, 80580), (948, 72165), (1020, 67071), (1132, 60435), (1185, 57732), (1343, 50940), (1415, 48348), (1422, 48110), (1530, 44714), (1580, 43299), (1698, 40290), (2370, 28866), (2547, 26860), (2686, 25470), (2830, 24174), (2844, 24055), (3060, 22357), (3396, 20145), (3555, 19244), (4029, 16980), (4245, 16116), (4740, 14433), (4811, 14220), (5094, 13430), (5372, 12735), (5660, 12087), (6715, 10188), (7110, 9622), (8058, 8490)]