221385240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 192

約数和(自身を含む): 753611040

約数和(自身を除く): 532225800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 53, 60, 72, 82, 90, 106, 120, 123, 159, 164, 180, 205, 212, 246, 265, 283, 318, 328, 360, 369, 410, 424, 477, 492, 530, 566, 615, 636, 738, 795, 820, 849, 954, 984, 1060, 1132, 1230, 1272, 1415, 1476, 1590, 1640, 1698, 1845, 1908, 2120, 2173, 2264, 2385, 2460, 2547, 2830, 2952, 3180, 3396, 3690, 3816, 4245, 4346, 4770, 4920, 5094, 5660, 6360, 6519, 6792, 7380, 8490, 8692, 9540, 10188, 10865, 11320, 11603, 12735, 13038, 14760, 14999, 16980, 17384, 19080, 19557, 20376, 21730, 23206, 25470, 26076, 29998, 32595, 33960, 34809, 39114, 43460, 44997, 46412, 50940, 52152, 58015, 59996, 65190, 69618, 74995, 78228, 86920, 89994, 92824, 97785, 101880, 104427, 116030, 119992, 130380, 134991, 139236, 149990, 156456, 174045, 179988, 195570, 208854, 224985, 232060, 260760, 269982, 278472, 299980, 348090, 359976, 391140, 417708, 449970, 464120, 522135, 539964, 599960, 614959, 674955, 696180, 782280, 835416, 899940, 1044270, 1079928, 1229918, 1349910, 1392360, 1799880, 1844877, 2088540, 2459836, 2699820, 3074795, 3689754, 4177080, 4919672, 5399640, 5534631, 6149590, 7379508, 9224385, 11069262, 12299180, 14759016, 18448770, 22138524, 24598360, 27673155, 36897540, 44277048, 55346310, 73795080, 110692620, 221385240]

約数ペア:

[(1, 221385240), (2, 110692620), (3, 73795080), (4, 55346310), (5, 44277048), (6, 36897540), (8, 27673155), (9, 24598360), (10, 22138524), (12, 18448770), (15, 14759016), (18, 12299180), (20, 11069262), (24, 9224385), (30, 7379508), (36, 6149590), (40, 5534631), (41, 5399640), (45, 4919672), (53, 4177080), (60, 3689754), (72, 3074795), (82, 2699820), (90, 2459836), (106, 2088540), (120, 1844877), (123, 1799880), (159, 1392360), (164, 1349910), (180, 1229918), (205, 1079928), (212, 1044270), (246, 899940), (265, 835416), (283, 782280), (318, 696180), (328, 674955), (360, 614959), (369, 599960), (410, 539964), (424, 522135), (477, 464120), (492, 449970), (530, 417708), (566, 391140), (615, 359976), (636, 348090), (738, 299980), (795, 278472), (820, 269982), (849, 260760), (954, 232060), (984, 224985), (1060, 208854), (1132, 195570), (1230, 179988), (1272, 174045), (1415, 156456), (1476, 149990), (1590, 139236), (1640, 134991), (1698, 130380), (1845, 119992), (1908, 116030), (2120, 104427), (2173, 101880), (2264, 97785), (2385, 92824), (2460, 89994), (2547, 86920), (2830, 78228), (2952, 74995), (3180, 69618), (3396, 65190), (3690, 59996), (3816, 58015), (4245, 52152), (4346, 50940), (4770, 46412), (4920, 44997), (5094, 43460), (5660, 39114), (6360, 34809), (6519, 33960), (6792, 32595), (7380, 29998), (8490, 26076), (8692, 25470), (9540, 23206), (10188, 21730), (10865, 20376), (11320, 19557), (11603, 19080), (12735, 17384), (13038, 16980), (14760, 14999)]