138208980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1538

約数の個数: 192

約数和(自身を含む): 504645120

約数和(自身を除く): 366436140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 663, 714, 780, 884, 910, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1489, 1547, 1785, 1820, 2210, 2380, 2652, 2730, 2978, 3094, 3315, 3570, 4420, 4467, 4641, 5460, 5956, 6188, 6630, 7140, 7445, 7735, 8934, 9282, 10423, 13260, 14890, 15470, 17868, 18564, 19357, 20846, 22335, 23205, 25313, 29780, 30940, 31269, 38714, 41692, 44670, 46410, 50626, 52115, 58071, 62538, 75939, 77428, 89340, 92820, 96785, 101252, 104230, 116142, 125076, 126565, 135499, 151878, 156345, 177191, 193570, 208460, 232284, 253130, 270998, 290355, 303756, 312690, 329069, 354382, 379695, 387140, 406497, 506260, 531573, 541996, 580710, 625380, 658138, 677495, 708764, 759390, 812994, 885955, 987207, 1063146, 1161420, 1316276, 1354990, 1518780, 1625988, 1645345, 1771910, 1974414, 2032485, 2126292, 2303483, 2657865, 2709980, 3290690, 3543820, 3948828, 4064970, 4606966, 4936035, 5315730, 6581380, 6910449, 8129940, 9213932, 9872070, 10631460, 11517415, 13820898, 19744140, 23034830, 27641796, 34552245, 46069660, 69104490, 138208980]

約数ペア:

[(1, 138208980), (2, 69104490), (3, 46069660), (4, 34552245), (5, 27641796), (6, 23034830), (7, 19744140), (10, 13820898), (12, 11517415), (13, 10631460), (14, 9872070), (15, 9213932), (17, 8129940), (20, 6910449), (21, 6581380), (26, 5315730), (28, 4936035), (30, 4606966), (34, 4064970), (35, 3948828), (39, 3543820), (42, 3290690), (51, 2709980), (52, 2657865), (60, 2303483), (65, 2126292), (68, 2032485), (70, 1974414), (78, 1771910), (84, 1645345), (85, 1625988), (91, 1518780), (102, 1354990), (105, 1316276), (119, 1161420), (130, 1063146), (140, 987207), (156, 885955), (170, 812994), (182, 759390), (195, 708764), (204, 677495), (210, 658138), (221, 625380), (238, 580710), (255, 541996), (260, 531573), (273, 506260), (340, 406497), (357, 387140), (364, 379695), (390, 354382), (420, 329069), (442, 312690), (455, 303756), (476, 290355), (510, 270998), (546, 253130), (595, 232284), (663, 208460), (714, 193570), (780, 177191), (884, 156345), (910, 151878), (1020, 135499), (1092, 126565), (1105, 125076), (1190, 116142), (1326, 104230), (1365, 101252), (1428, 96785), (1489, 92820), (1547, 89340), (1785, 77428), (1820, 75939), (2210, 62538), (2380, 58071), (2652, 52115), (2730, 50626), (2978, 46410), (3094, 44670), (3315, 41692), (3570, 38714), (4420, 31269), (4467, 30940), (4641, 29780), (5460, 25313), (5956, 23205), (6188, 22335), (6630, 20846), (7140, 19357), (7445, 18564), (7735, 17868), (8934, 15470), (9282, 14890), (10423, 13260)]