72644040

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3203}}^1$

素因数の和:3233

約数の個数: 160

約数和(自身を含む): 279132480

約数和(自身を除く): 206488440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3203, 3240, 3780, 4536, 5670, 6406, 7560, 9609, 11340, 12812, 16015, 19218, 22421, 22680, 25624, 28827, 32030, 38436, 44842, 48045, 57654, 64060, 67263, 76872, 86481, 89684, 96090, 112105, 115308, 128120, 134526, 144135, 172962, 179368, 192180, 201789, 224210, 230616, 259443, 269052, 288270, 336315, 345924, 384360, 403578, 432405, 448420, 518886, 538104, 576540, 605367, 672630, 691848, 807156, 864810, 896840, 1008945, 1037772, 1153080, 1210734, 1297215, 1345260, 1614312, 1729620, 1816101, 2017890, 2075544, 2421468, 2594430, 2690520, 3026835, 3459240, 3632202, 4035780, 4842936, 5188860, 6053670, 7264404, 8071560, 9080505, 10377720, 12107340, 14528808, 18161010, 24214680, 36322020, 72644040]

約数ペア:

[(1, 72644040), (2, 36322020), (3, 24214680), (4, 18161010), (5, 14528808), (6, 12107340), (7, 10377720), (8, 9080505), (9, 8071560), (10, 7264404), (12, 6053670), (14, 5188860), (15, 4842936), (18, 4035780), (20, 3632202), (21, 3459240), (24, 3026835), (27, 2690520), (28, 2594430), (30, 2421468), (35, 2075544), (36, 2017890), (40, 1816101), (42, 1729620), (45, 1614312), (54, 1345260), (56, 1297215), (60, 1210734), (63, 1153080), (70, 1037772), (72, 1008945), (81, 896840), (84, 864810), (90, 807156), (105, 691848), (108, 672630), (120, 605367), (126, 576540), (135, 538104), (140, 518886), (162, 448420), (168, 432405), (180, 403578), (189, 384360), (210, 345924), (216, 336315), (252, 288270), (270, 269052), (280, 259443), (315, 230616), (324, 224210), (360, 201789), (378, 192180), (405, 179368), (420, 172962), (504, 144135), (540, 134526), (567, 128120), (630, 115308), (648, 112105), (756, 96090), (810, 89684), (840, 86481), (945, 76872), (1080, 67263), (1134, 64060), (1260, 57654), (1512, 48045), (1620, 44842), (1890, 38436), (2268, 32030), (2520, 28827), (2835, 25624), (3203, 22680), (3240, 22421), (3780, 19218), (4536, 16015), (5670, 12812), (6406, 11340), (7560, 9609)]