28976220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 113742720

約数和(自身を除く): 84766500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 29, 30, 35, 36, 39, 42, 45, 52, 58, 60, 61, 63, 65, 70, 78, 84, 87, 90, 91, 105, 116, 117, 122, 126, 130, 140, 145, 156, 174, 180, 182, 183, 195, 203, 210, 234, 244, 252, 260, 261, 273, 290, 305, 315, 348, 364, 366, 377, 390, 406, 420, 427, 435, 455, 468, 522, 546, 549, 580, 585, 609, 610, 630, 732, 754, 780, 793, 812, 819, 854, 870, 910, 915, 1015, 1044, 1092, 1098, 1131, 1170, 1218, 1220, 1260, 1281, 1305, 1365, 1508, 1586, 1638, 1708, 1740, 1769, 1820, 1827, 1830, 1885, 2030, 2135, 2196, 2262, 2340, 2379, 2436, 2562, 2610, 2639, 2730, 2745, 3045, 3172, 3276, 3393, 3538, 3654, 3660, 3770, 3843, 3965, 4060, 4095, 4270, 4524, 4758, 5124, 5220, 5278, 5307, 5460, 5490, 5551, 5655, 6090, 6405, 6786, 7076, 7137, 7308, 7540, 7686, 7917, 7930, 8190, 8540, 8845, 9135, 9516, 10556, 10614, 10980, 11102, 11310, 11895, 12180, 12383, 12810, 13195, 13572, 14274, 15372, 15834, 15860, 15921, 16380, 16653, 16965, 17690, 18270, 19215, 21228, 22204, 22620, 22997, 23751, 23790, 24766, 25620, 26390, 26535, 27755, 28548, 31668, 31842, 33306, 33930, 35380, 35685, 36540, 37149, 38430, 39585, 45994, 47502, 47580, 49532, 49959, 52780, 53070, 55510, 61915, 63684, 66612, 67860, 68991, 71370, 74298, 76860, 79170, 79605, 83265, 91988, 95004, 99918, 106140, 111020, 111447, 114985, 118755, 123830, 137982, 142740, 148596, 158340, 159210, 160979, 166530, 185745, 199836, 206973, 222894, 229970, 237510, 247660, 249795, 275964, 318420, 321958, 333060, 344955, 371490, 413946, 445788, 459940, 475020, 482937, 499590, 557235, 643916, 689910, 742980, 804895, 827892, 965874, 999180, 1034865, 1114470, 1379820, 1448811, 1609790, 1931748, 2069730, 2228940, 2414685, 2897622, 3219580, 4139460, 4829370, 5795244, 7244055, 9658740, 14488110, 28976220]

約数ペア:

[(1, 28976220), (2, 14488110), (3, 9658740), (4, 7244055), (5, 5795244), (6, 4829370), (7, 4139460), (9, 3219580), (10, 2897622), (12, 2414685), (13, 2228940), (14, 2069730), (15, 1931748), (18, 1609790), (20, 1448811), (21, 1379820), (26, 1114470), (28, 1034865), (29, 999180), (30, 965874), (35, 827892), (36, 804895), (39, 742980), (42, 689910), (45, 643916), (52, 557235), (58, 499590), (60, 482937), (61, 475020), (63, 459940), (65, 445788), (70, 413946), (78, 371490), (84, 344955), (87, 333060), (90, 321958), (91, 318420), (105, 275964), (116, 249795), (117, 247660), (122, 237510), (126, 229970), (130, 222894), (140, 206973), (145, 199836), (156, 185745), (174, 166530), (180, 160979), (182, 159210), (183, 158340), (195, 148596), (203, 142740), (210, 137982), (234, 123830), (244, 118755), (252, 114985), (260, 111447), (261, 111020), (273, 106140), (290, 99918), (305, 95004), (315, 91988), (348, 83265), (364, 79605), (366, 79170), (377, 76860), (390, 74298), (406, 71370), (420, 68991), (427, 67860), (435, 66612), (455, 63684), (468, 61915), (522, 55510), (546, 53070), (549, 52780), (580, 49959), (585, 49532), (609, 47580), (610, 47502), (630, 45994), (732, 39585), (754, 38430), (780, 37149), (793, 36540), (812, 35685), (819, 35380), (854, 33930), (870, 33306), (910, 31842), (915, 31668), (1015, 28548), (1044, 27755), (1092, 26535), (1098, 26390), (1131, 25620), (1170, 24766), (1218, 23790), (1220, 23751), (1260, 22997), (1281, 22620), (1305, 22204), (1365, 21228), (1508, 19215), (1586, 18270), (1638, 17690), (1708, 16965), (1740, 16653), (1769, 16380), (1820, 15921), (1827, 15860), (1830, 15834), (1885, 15372), (2030, 14274), (2135, 13572), (2196, 13195), (2262, 12810), (2340, 12383), (2379, 12180), (2436, 11895), (2562, 11310), (2610, 11102), (2639, 10980), (2730, 10614), (2745, 10556), (3045, 9516), (3172, 9135), (3276, 8845), (3393, 8540), (3538, 8190), (3654, 7930), (3660, 7917), (3770, 7686), (3843, 7540), (3965, 7308), (4060, 7137), (4095, 7076), (4270, 6786), (4524, 6405), (4758, 6090), (5124, 5655), (5220, 5551), (5278, 5490), (5307, 5460)]