30715020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 112170240

約数和(自身を除く): 81455220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1283, 1330, 1596, 1710, 1995, 2394, 2566, 2660, 3420, 3849, 3990, 4788, 5132, 5985, 6415, 7698, 7980, 8981, 11547, 11970, 12830, 15396, 17962, 19245, 23094, 23940, 24377, 25660, 26943, 35924, 38490, 44905, 46188, 48754, 53886, 57735, 73131, 76980, 80829, 89810, 97508, 107772, 115470, 121885, 134715, 146262, 161658, 170639, 179620, 219393, 230940, 243770, 269430, 292524, 323316, 341278, 365655, 404145, 438786, 487540, 511917, 538860, 682556, 731310, 808290, 853195, 877572, 1023834, 1096965, 1462620, 1535751, 1616580, 1706390, 2047668, 2193930, 2559585, 3071502, 3412780, 4387860, 5119170, 6143004, 7678755, 10238340, 15357510, 30715020]

約数ペア:

[(1, 30715020), (2, 15357510), (3, 10238340), (4, 7678755), (5, 6143004), (6, 5119170), (7, 4387860), (9, 3412780), (10, 3071502), (12, 2559585), (14, 2193930), (15, 2047668), (18, 1706390), (19, 1616580), (20, 1535751), (21, 1462620), (28, 1096965), (30, 1023834), (35, 877572), (36, 853195), (38, 808290), (42, 731310), (45, 682556), (57, 538860), (60, 511917), (63, 487540), (70, 438786), (76, 404145), (84, 365655), (90, 341278), (95, 323316), (105, 292524), (114, 269430), (126, 243770), (133, 230940), (140, 219393), (171, 179620), (180, 170639), (190, 161658), (210, 146262), (228, 134715), (252, 121885), (266, 115470), (285, 107772), (315, 97508), (342, 89810), (380, 80829), (399, 76980), (420, 73131), (532, 57735), (570, 53886), (630, 48754), (665, 46188), (684, 44905), (798, 38490), (855, 35924), (1140, 26943), (1197, 25660), (1260, 24377), (1283, 23940), (1330, 23094), (1596, 19245), (1710, 17962), (1995, 15396), (2394, 12830), (2566, 11970), (2660, 11547), (3420, 8981), (3849, 7980), (3990, 7698), (4788, 6415), (5132, 5985)]