28572390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 288

約数和(自身を含む): 102435840

約数和(自身を除く): 73863450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 30, 31, 33, 35, 38, 42, 45, 49, 55, 57, 62, 63, 66, 70, 77, 90, 93, 95, 98, 99, 105, 110, 114, 126, 133, 147, 154, 155, 165, 171, 186, 190, 198, 209, 210, 217, 231, 245, 266, 279, 285, 294, 310, 315, 330, 341, 342, 385, 399, 418, 434, 441, 462, 465, 490, 495, 539, 558, 570, 589, 627, 630, 651, 665, 682, 693, 735, 770, 798, 855, 882, 930, 931, 990, 1023, 1045, 1078, 1085, 1155, 1178, 1197, 1254, 1302, 1330, 1386, 1395, 1463, 1470, 1519, 1617, 1705, 1710, 1767, 1862, 1881, 1953, 1995, 2046, 2090, 2170, 2205, 2310, 2387, 2394, 2695, 2790, 2793, 2926, 2945, 3038, 3069, 3135, 3234, 3255, 3410, 3465, 3534, 3762, 3906, 3990, 4123, 4389, 4410, 4557, 4655, 4774, 4851, 5115, 5301, 5390, 5586, 5890, 5985, 6138, 6270, 6479, 6510, 6930, 7161, 7315, 7595, 8085, 8246, 8379, 8778, 8835, 9114, 9310, 9405, 9702, 9765, 10230, 10241, 10602, 11935, 11970, 12369, 12958, 13167, 13671, 13965, 14322, 14630, 15190, 15345, 16170, 16709, 16758, 17670, 18810, 19437, 19530, 20482, 20615, 21483, 21945, 22785, 23870, 24255, 24738, 26334, 26505, 27342, 27930, 28861, 30690, 30723, 32395, 33418, 35805, 37107, 38874, 41230, 41895, 42966, 43890, 45353, 45570, 48510, 50127, 51205, 53010, 57722, 58311, 61446, 61845, 64790, 65835, 68355, 71610, 74214, 83545, 83790, 86583, 90706, 92169, 97185, 100254, 102410, 107415, 116622, 123690, 131670, 136059, 136710, 144305, 150381, 153615, 167090, 173166, 184338, 185535, 194370, 214830, 226765, 250635, 259749, 272118, 288610, 291555, 300762, 307230, 317471, 371070, 408177, 432915, 453530, 460845, 501270, 519498, 583110, 634942, 680295, 751905, 816354, 865830, 921690, 952413, 1298745, 1360590, 1503810, 1587355, 1904826, 2040885, 2597490, 2857239, 3174710, 4081770, 4762065, 5714478, 9524130, 14286195, 28572390]

約数ペア:

[(1, 28572390), (2, 14286195), (3, 9524130), (5, 5714478), (6, 4762065), (7, 4081770), (9, 3174710), (10, 2857239), (11, 2597490), (14, 2040885), (15, 1904826), (18, 1587355), (19, 1503810), (21, 1360590), (22, 1298745), (30, 952413), (31, 921690), (33, 865830), (35, 816354), (38, 751905), (42, 680295), (45, 634942), (49, 583110), (55, 519498), (57, 501270), (62, 460845), (63, 453530), (66, 432915), (70, 408177), (77, 371070), (90, 317471), (93, 307230), (95, 300762), (98, 291555), (99, 288610), (105, 272118), (110, 259749), (114, 250635), (126, 226765), (133, 214830), (147, 194370), (154, 185535), (155, 184338), (165, 173166), (171, 167090), (186, 153615), (190, 150381), (198, 144305), (209, 136710), (210, 136059), (217, 131670), (231, 123690), (245, 116622), (266, 107415), (279, 102410), (285, 100254), (294, 97185), (310, 92169), (315, 90706), (330, 86583), (341, 83790), (342, 83545), (385, 74214), (399, 71610), (418, 68355), (434, 65835), (441, 64790), (462, 61845), (465, 61446), (490, 58311), (495, 57722), (539, 53010), (558, 51205), (570, 50127), (589, 48510), (627, 45570), (630, 45353), (651, 43890), (665, 42966), (682, 41895), (693, 41230), (735, 38874), (770, 37107), (798, 35805), (855, 33418), (882, 32395), (930, 30723), (931, 30690), (990, 28861), (1023, 27930), (1045, 27342), (1078, 26505), (1085, 26334), (1155, 24738), (1178, 24255), (1197, 23870), (1254, 22785), (1302, 21945), (1330, 21483), (1386, 20615), (1395, 20482), (1463, 19530), (1470, 19437), (1519, 18810), (1617, 17670), (1705, 16758), (1710, 16709), (1767, 16170), (1862, 15345), (1881, 15190), (1953, 14630), (1995, 14322), (2046, 13965), (2090, 13671), (2170, 13167), (2205, 12958), (2310, 12369), (2387, 11970), (2394, 11935), (2695, 10602), (2790, 10241), (2793, 10230), (2926, 9765), (2945, 9702), (3038, 9405), (3069, 9310), (3135, 9114), (3234, 8835), (3255, 8778), (3410, 8379), (3465, 8246), (3534, 8085), (3762, 7595), (3906, 7315), (3990, 7161), (4123, 6930), (4389, 6510), (4410, 6479), (4557, 6270), (4655, 6138), (4774, 5985), (4851, 5890), (5115, 5586), (5301, 5390)]