253671660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:669

約数の個数: 216

約数和(自身を含む): 891749040

約数和(自身を除く): 638077380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 121, 132, 165, 171, 180, 190, 198, 209, 220, 228, 242, 285, 330, 342, 363, 380, 396, 418, 484, 495, 570, 605, 613, 627, 660, 684, 726, 836, 855, 990, 1045, 1089, 1140, 1210, 1226, 1254, 1452, 1710, 1815, 1839, 1881, 1980, 2090, 2178, 2299, 2420, 2452, 2508, 3065, 3135, 3420, 3630, 3678, 3762, 4180, 4356, 4598, 5445, 5517, 6130, 6270, 6743, 6897, 7260, 7356, 7524, 9195, 9196, 9405, 10890, 11034, 11495, 11647, 12260, 12540, 13486, 13794, 18390, 18810, 20229, 20691, 21780, 22068, 22990, 23294, 26972, 27585, 27588, 33715, 34485, 34941, 36780, 37620, 40458, 41382, 45980, 46588, 55170, 58235, 60687, 67430, 68970, 69882, 74173, 80916, 82764, 101145, 103455, 104823, 110340, 116470, 121374, 128117, 134860, 137940, 139764, 148346, 174705, 202290, 206910, 209646, 222519, 232940, 242748, 256234, 296692, 303435, 349410, 370865, 384351, 404580, 413820, 419292, 445038, 512468, 524115, 606870, 640585, 667557, 698820, 741730, 768702, 890076, 1048230, 1112595, 1153053, 1213740, 1281170, 1335114, 1409287, 1483460, 1537404, 1921755, 2096460, 2225190, 2306106, 2562340, 2670228, 2818574, 3337785, 3843510, 4227861, 4450380, 4612212, 5637148, 5765265, 6675570, 7046435, 7687020, 8455722, 11530530, 12683583, 13351140, 14092870, 16911444, 21139305, 23061060, 25367166, 28185740, 42278610, 50734332, 63417915, 84557220, 126835830, 253671660]

約数ペア:

[(1, 253671660), (2, 126835830), (3, 84557220), (4, 63417915), (5, 50734332), (6, 42278610), (9, 28185740), (10, 25367166), (11, 23061060), (12, 21139305), (15, 16911444), (18, 14092870), (19, 13351140), (20, 12683583), (22, 11530530), (30, 8455722), (33, 7687020), (36, 7046435), (38, 6675570), (44, 5765265), (45, 5637148), (55, 4612212), (57, 4450380), (60, 4227861), (66, 3843510), (76, 3337785), (90, 2818574), (95, 2670228), (99, 2562340), (110, 2306106), (114, 2225190), (121, 2096460), (132, 1921755), (165, 1537404), (171, 1483460), (180, 1409287), (190, 1335114), (198, 1281170), (209, 1213740), (220, 1153053), (228, 1112595), (242, 1048230), (285, 890076), (330, 768702), (342, 741730), (363, 698820), (380, 667557), (396, 640585), (418, 606870), (484, 524115), (495, 512468), (570, 445038), (605, 419292), (613, 413820), (627, 404580), (660, 384351), (684, 370865), (726, 349410), (836, 303435), (855, 296692), (990, 256234), (1045, 242748), (1089, 232940), (1140, 222519), (1210, 209646), (1226, 206910), (1254, 202290), (1452, 174705), (1710, 148346), (1815, 139764), (1839, 137940), (1881, 134860), (1980, 128117), (2090, 121374), (2178, 116470), (2299, 110340), (2420, 104823), (2452, 103455), (2508, 101145), (3065, 82764), (3135, 80916), (3420, 74173), (3630, 69882), (3678, 68970), (3762, 67430), (4180, 60687), (4356, 58235), (4598, 55170), (5445, 46588), (5517, 45980), (6130, 41382), (6270, 40458), (6743, 37620), (6897, 36780), (7260, 34941), (7356, 34485), (7524, 33715), (9195, 27588), (9196, 27585), (9405, 26972), (10890, 23294), (11034, 22990), (11495, 22068), (11647, 21780), (12260, 20691), (12540, 20229), (13486, 18810), (13794, 18390)]