17787420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:784

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 47208420

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, 743, 798, 855, 1140, 1197, 1260, 1330, 1486, 1596, 1710, 1995, 2229, 2394, 2660, 2972, 3420, 3715, 3990, 4458, 4788, 5201, 5985, 6687, 7430, 7980, 8916, 10402, 11145, 11970, 13374, 14117, 14860, 15603, 20804, 22290, 23940, 26005, 26748, 28234, 31206, 33435, 42351, 44580, 46809, 52010, 56468, 62412, 66870, 70585, 78015, 84702, 93618, 98819, 104020, 127053, 133740, 141170, 156030, 169404, 187236, 197638, 211755, 234045, 254106, 282340, 296457, 312060, 395276, 423510, 468090, 494095, 508212, 592914, 635265, 847020, 889371, 936180, 988190, 1185828, 1270530, 1482285, 1778742, 1976380, 2541060, 2964570, 3557484, 4446855, 5929140, 8893710, 17787420]

約数ペア:

[(1, 17787420), (2, 8893710), (3, 5929140), (4, 4446855), (5, 3557484), (6, 2964570), (7, 2541060), (9, 1976380), (10, 1778742), (12, 1482285), (14, 1270530), (15, 1185828), (18, 988190), (19, 936180), (20, 889371), (21, 847020), (28, 635265), (30, 592914), (35, 508212), (36, 494095), (38, 468090), (42, 423510), (45, 395276), (57, 312060), (60, 296457), (63, 282340), (70, 254106), (76, 234045), (84, 211755), (90, 197638), (95, 187236), (105, 169404), (114, 156030), (126, 141170), (133, 133740), (140, 127053), (171, 104020), (180, 98819), (190, 93618), (210, 84702), (228, 78015), (252, 70585), (266, 66870), (285, 62412), (315, 56468), (342, 52010), (380, 46809), (399, 44580), (420, 42351), (532, 33435), (570, 31206), (630, 28234), (665, 26748), (684, 26005), (743, 23940), (798, 22290), (855, 20804), (1140, 15603), (1197, 14860), (1260, 14117), (1330, 13374), (1486, 11970), (1596, 11145), (1710, 10402), (1995, 8916), (2229, 7980), (2394, 7430), (2660, 6687), (2972, 5985), (3420, 5201), (3715, 4788), (3990, 4458)]