81844020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2659}}^1$

素因数の和:2699

約数の個数: 120

約数和(自身を含む): 270362400

約数和(自身を除く): 188518380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 2659, 3078, 3420, 5130, 5318, 6156, 7695, 7977, 10260, 10636, 13295, 15390, 15954, 23931, 26590, 30780, 31908, 39885, 47862, 50521, 53180, 71793, 79770, 95724, 101042, 119655, 143586, 151563, 159540, 202084, 215379, 239310, 252605, 287172, 303126, 358965, 430758, 454689, 478620, 505210, 606252, 717930, 757815, 861516, 909378, 1010420, 1076895, 1364067, 1435860, 1515630, 1818756, 2153790, 2273445, 2728134, 3031260, 4092201, 4307580, 4546890, 5456268, 6820335, 8184402, 9093780, 13640670, 16368804, 20461005, 27281340, 40922010, 81844020]

約数ペア:

[(1, 81844020), (2, 40922010), (3, 27281340), (4, 20461005), (5, 16368804), (6, 13640670), (9, 9093780), (10, 8184402), (12, 6820335), (15, 5456268), (18, 4546890), (19, 4307580), (20, 4092201), (27, 3031260), (30, 2728134), (36, 2273445), (38, 2153790), (45, 1818756), (54, 1515630), (57, 1435860), (60, 1364067), (76, 1076895), (81, 1010420), (90, 909378), (95, 861516), (108, 757815), (114, 717930), (135, 606252), (162, 505210), (171, 478620), (180, 454689), (190, 430758), (228, 358965), (270, 303126), (285, 287172), (324, 252605), (342, 239310), (380, 215379), (405, 202084), (513, 159540), (540, 151563), (570, 143586), (684, 119655), (810, 101042), (855, 95724), (1026, 79770), (1140, 71793), (1539, 53180), (1620, 50521), (1710, 47862), (2052, 39885), (2565, 31908), (2659, 30780), (3078, 26590), (3420, 23931), (5130, 15954), (5318, 15390), (6156, 13295), (7695, 10636), (7977, 10260)]