28882980

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{283}}^1$

素因数の和:317

約数の個数: 168

約数和(自身を含む): 104298432

約数和(自身を除く): 75415452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 283, 315, 324, 378, 405, 420, 486, 540, 566, 567, 630, 729, 756, 810, 849, 945, 972, 1132, 1134, 1215, 1260, 1415, 1458, 1620, 1698, 1701, 1890, 1981, 2268, 2430, 2547, 2830, 2835, 2916, 3396, 3402, 3645, 3780, 3962, 4245, 4860, 5094, 5103, 5660, 5670, 5943, 6804, 7290, 7641, 7924, 8490, 8505, 9905, 10188, 10206, 11340, 11886, 12735, 14580, 15282, 16980, 17010, 17829, 19810, 20412, 22923, 23772, 25470, 25515, 29715, 30564, 34020, 35658, 38205, 39620, 45846, 50940, 51030, 53487, 59430, 68769, 71316, 76410, 89145, 91692, 102060, 106974, 114615, 118860, 137538, 152820, 160461, 178290, 206307, 213948, 229230, 267435, 275076, 320922, 343845, 356580, 412614, 458460, 481383, 534870, 641844, 687690, 802305, 825228, 962766, 1031535, 1069740, 1375380, 1444149, 1604610, 1925532, 2063070, 2406915, 2888298, 3209220, 4126140, 4813830, 5776596, 7220745, 9627660, 14441490, 28882980]

約数ペア:

[(1, 28882980), (2, 14441490), (3, 9627660), (4, 7220745), (5, 5776596), (6, 4813830), (7, 4126140), (9, 3209220), (10, 2888298), (12, 2406915), (14, 2063070), (15, 1925532), (18, 1604610), (20, 1444149), (21, 1375380), (27, 1069740), (28, 1031535), (30, 962766), (35, 825228), (36, 802305), (42, 687690), (45, 641844), (54, 534870), (60, 481383), (63, 458460), (70, 412614), (81, 356580), (84, 343845), (90, 320922), (105, 275076), (108, 267435), (126, 229230), (135, 213948), (140, 206307), (162, 178290), (180, 160461), (189, 152820), (210, 137538), (243, 118860), (252, 114615), (270, 106974), (283, 102060), (315, 91692), (324, 89145), (378, 76410), (405, 71316), (420, 68769), (486, 59430), (540, 53487), (566, 51030), (567, 50940), (630, 45846), (729, 39620), (756, 38205), (810, 35658), (849, 34020), (945, 30564), (972, 29715), (1132, 25515), (1134, 25470), (1215, 23772), (1260, 22923), (1415, 20412), (1458, 19810), (1620, 17829), (1698, 17010), (1701, 16980), (1890, 15282), (1981, 14580), (2268, 12735), (2430, 11886), (2547, 11340), (2830, 10206), (2835, 10188), (2916, 9905), (3396, 8505), (3402, 8490), (3645, 7924), (3780, 7641), (3962, 7290), (4245, 6804), (4860, 5943), (5094, 5670), (5103, 5660)]