628945980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:149

約数の個数: 288

約数和(自身を含む): 2117928960

約数和(自身を除く): 1488982980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 37, 38, 39, 52, 57, 60, 62, 65, 74, 76, 78, 93, 95, 111, 114, 124, 130, 148, 155, 156, 185, 186, 190, 195, 222, 228, 247, 260, 285, 310, 370, 372, 380, 390, 403, 444, 465, 481, 494, 555, 570, 589, 620, 703, 740, 741, 780, 806, 930, 962, 988, 1110, 1140, 1147, 1178, 1209, 1235, 1369, 1406, 1443, 1482, 1612, 1767, 1860, 1924, 2015, 2109, 2220, 2294, 2356, 2405, 2418, 2470, 2738, 2812, 2886, 2945, 2964, 3441, 3515, 3534, 3705, 4030, 4107, 4218, 4588, 4810, 4836, 4940, 5476, 5735, 5772, 5890, 6045, 6845, 6882, 7030, 7068, 7215, 7410, 7657, 8060, 8214, 8436, 8835, 9139, 9620, 10545, 11470, 11780, 12090, 13690, 13764, 14060, 14430, 14820, 14911, 15314, 16428, 17205, 17670, 17797, 18278, 20535, 21090, 21793, 22940, 22971, 24180, 26011, 27380, 27417, 28860, 29822, 30628, 34410, 35340, 35594, 36556, 38285, 41070, 42180, 42439, 43586, 44733, 45695, 45942, 52022, 53391, 54834, 59644, 65379, 68820, 71188, 74555, 76570, 78033, 82140, 84878, 87172, 88985, 89466, 91390, 91884, 104044, 106782, 108965, 109668, 114855, 127317, 130055, 130758, 137085, 149110, 153140, 156066, 169756, 177970, 178932, 182780, 212195, 213564, 217930, 223665, 229710, 254634, 260110, 261516, 266955, 274170, 283309, 298220, 312132, 326895, 338143, 355940, 390165, 424390, 435860, 447330, 459420, 509268, 520220, 533910, 548340, 551707, 566618, 636585, 653790, 676286, 780330, 806341, 848780, 849927, 894660, 1014429, 1067820, 1103414, 1133236, 1273170, 1307580, 1352572, 1416545, 1560660, 1612682, 1655121, 1690715, 1699854, 2028858, 2206828, 2419023, 2546340, 2758535, 2833090, 3225364, 3310242, 3381430, 3399708, 4031705, 4057716, 4249635, 4838046, 5072145, 5517070, 5666180, 6620484, 6762860, 8063410, 8275605, 8499270, 9676092, 10144290, 10482433, 11034140, 12095115, 16126820, 16551210, 16998540, 20288580, 20964866, 24190230, 31447299, 33102420, 41929732, 48380460, 52412165, 62894598, 104824330, 125789196, 157236495, 209648660, 314472990, 628945980]

約数ペア:

[(1, 628945980), (2, 314472990), (3, 209648660), (4, 157236495), (5, 125789196), (6, 104824330), (10, 62894598), (12, 52412165), (13, 48380460), (15, 41929732), (19, 33102420), (20, 31447299), (26, 24190230), (30, 20964866), (31, 20288580), (37, 16998540), (38, 16551210), (39, 16126820), (52, 12095115), (57, 11034140), (60, 10482433), (62, 10144290), (65, 9676092), (74, 8499270), (76, 8275605), (78, 8063410), (93, 6762860), (95, 6620484), (111, 5666180), (114, 5517070), (124, 5072145), (130, 4838046), (148, 4249635), (155, 4057716), (156, 4031705), (185, 3399708), (186, 3381430), (190, 3310242), (195, 3225364), (222, 2833090), (228, 2758535), (247, 2546340), (260, 2419023), (285, 2206828), (310, 2028858), (370, 1699854), (372, 1690715), (380, 1655121), (390, 1612682), (403, 1560660), (444, 1416545), (465, 1352572), (481, 1307580), (494, 1273170), (555, 1133236), (570, 1103414), (589, 1067820), (620, 1014429), (703, 894660), (740, 849927), (741, 848780), (780, 806341), (806, 780330), (930, 676286), (962, 653790), (988, 636585), (1110, 566618), (1140, 551707), (1147, 548340), (1178, 533910), (1209, 520220), (1235, 509268), (1369, 459420), (1406, 447330), (1443, 435860), (1482, 424390), (1612, 390165), (1767, 355940), (1860, 338143), (1924, 326895), (2015, 312132), (2109, 298220), (2220, 283309), (2294, 274170), (2356, 266955), (2405, 261516), (2418, 260110), (2470, 254634), (2738, 229710), (2812, 223665), (2886, 217930), (2945, 213564), (2964, 212195), (3441, 182780), (3515, 178932), (3534, 177970), (3705, 169756), (4030, 156066), (4107, 153140), (4218, 149110), (4588, 137085), (4810, 130758), (4836, 130055), (4940, 127317), (5476, 114855), (5735, 109668), (5772, 108965), (5890, 106782), (6045, 104044), (6845, 91884), (6882, 91390), (7030, 89466), (7068, 88985), (7215, 87172), (7410, 84878), (7657, 82140), (8060, 78033), (8214, 76570), (8436, 74555), (8835, 71188), (9139, 68820), (9620, 65379), (10545, 59644), (11470, 54834), (11780, 53391), (12090, 52022), (13690, 45942), (13764, 45695), (14060, 44733), (14430, 43586), (14820, 42439), (14911, 42180), (15314, 41070), (16428, 38285), (17205, 36556), (17670, 35594), (17797, 35340), (18278, 34410), (20535, 30628), (21090, 29822), (21793, 28860), (22940, 27417), (22971, 27380), (24180, 26011)]