64999620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 228533760

約数和(自身を除く): 163534140

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, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 653, 711, 790, 948, 1106, 1185, 1260, 1306, 1422, 1580, 1659, 1959, 2212, 2370, 2612, 2765, 2844, 3265, 3318, 3555, 3918, 4571, 4740, 4977, 5530, 5877, 6530, 6636, 7110, 7836, 8295, 9142, 9795, 9954, 11060, 11754, 13060, 13713, 14220, 16590, 18284, 19590, 19908, 22855, 23508, 24885, 27426, 29385, 33180, 39180, 41139, 45710, 49770, 51587, 54852, 58770, 68565, 82278, 91420, 99540, 103174, 117540, 137130, 154761, 164556, 205695, 206348, 257935, 274260, 309522, 361109, 411390, 464283, 515870, 619044, 722218, 773805, 822780, 928566, 1031740, 1083327, 1444436, 1547610, 1805545, 1857132, 2166654, 2321415, 3095220, 3249981, 3611090, 4333308, 4642830, 5416635, 6499962, 7222180, 9285660, 10833270, 12999924, 16249905, 21666540, 32499810, 64999620]

約数ペア:

[(1, 64999620), (2, 32499810), (3, 21666540), (4, 16249905), (5, 12999924), (6, 10833270), (7, 9285660), (9, 7222180), (10, 6499962), (12, 5416635), (14, 4642830), (15, 4333308), (18, 3611090), (20, 3249981), (21, 3095220), (28, 2321415), (30, 2166654), (35, 1857132), (36, 1805545), (42, 1547610), (45, 1444436), (60, 1083327), (63, 1031740), (70, 928566), (79, 822780), (84, 773805), (90, 722218), (105, 619044), (126, 515870), (140, 464283), (158, 411390), (180, 361109), (210, 309522), (237, 274260), (252, 257935), (315, 206348), (316, 205695), (395, 164556), (420, 154761), (474, 137130), (553, 117540), (630, 103174), (653, 99540), (711, 91420), (790, 82278), (948, 68565), (1106, 58770), (1185, 54852), (1260, 51587), (1306, 49770), (1422, 45710), (1580, 41139), (1659, 39180), (1959, 33180), (2212, 29385), (2370, 27426), (2612, 24885), (2765, 23508), (2844, 22855), (3265, 19908), (3318, 19590), (3555, 18284), (3918, 16590), (4571, 14220), (4740, 13713), (4977, 13060), (5530, 11754), (5877, 11060), (6530, 9954), (6636, 9795), (7110, 9142), (7836, 8295)]