289718520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:694

約数の個数: 256

約数和(自身を含む): 1096381440

約数和(自身を除く): 806662920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 43, 52, 56, 60, 65, 70, 78, 84, 86, 91, 104, 105, 120, 129, 130, 140, 156, 168, 172, 182, 195, 210, 215, 258, 260, 273, 280, 301, 312, 344, 364, 390, 420, 430, 455, 516, 520, 546, 559, 602, 617, 645, 728, 780, 840, 860, 903, 910, 1032, 1092, 1118, 1204, 1234, 1290, 1365, 1505, 1560, 1677, 1720, 1806, 1820, 1851, 2184, 2236, 2408, 2468, 2580, 2730, 2795, 3010, 3085, 3354, 3612, 3640, 3702, 3913, 4319, 4472, 4515, 4936, 5160, 5460, 5590, 6020, 6170, 6708, 7224, 7404, 7826, 8021, 8385, 8638, 9030, 9255, 10920, 11180, 11739, 12040, 12340, 12957, 13416, 14808, 15652, 16042, 16770, 17276, 18060, 18510, 19565, 21595, 22360, 23478, 24063, 24680, 25914, 26531, 31304, 32084, 33540, 34552, 36120, 37020, 39130, 40105, 43190, 46956, 48126, 51828, 53062, 56147, 58695, 64168, 64785, 67080, 74040, 78260, 79593, 80210, 86380, 93912, 96252, 103656, 106124, 112294, 117390, 120315, 129570, 132655, 156520, 159186, 160420, 168441, 172760, 185717, 192504, 212248, 224588, 234780, 240630, 259140, 265310, 280735, 318372, 320840, 336882, 344903, 371434, 397965, 449176, 469560, 481260, 518280, 530620, 557151, 561470, 636744, 673764, 689806, 742868, 795930, 842205, 928585, 962520, 1034709, 1061240, 1114302, 1122940, 1347528, 1379612, 1485736, 1591860, 1684410, 1724515, 1857170, 2069418, 2228604, 2245880, 2414321, 2759224, 2785755, 3183720, 3368820, 3449030, 3714340, 4138836, 4457208, 4828642, 5173545, 5571510, 6737640, 6898060, 7242963, 7428680, 8277672, 9657284, 10347090, 11143020, 12071605, 13796120, 14485926, 19314568, 20694180, 22286040, 24143210, 28971852, 36214815, 41388360, 48286420, 57943704, 72429630, 96572840, 144859260, 289718520]

約数ペア:

[(1, 289718520), (2, 144859260), (3, 96572840), (4, 72429630), (5, 57943704), (6, 48286420), (7, 41388360), (8, 36214815), (10, 28971852), (12, 24143210), (13, 22286040), (14, 20694180), (15, 19314568), (20, 14485926), (21, 13796120), (24, 12071605), (26, 11143020), (28, 10347090), (30, 9657284), (35, 8277672), (39, 7428680), (40, 7242963), (42, 6898060), (43, 6737640), (52, 5571510), (56, 5173545), (60, 4828642), (65, 4457208), (70, 4138836), (78, 3714340), (84, 3449030), (86, 3368820), (91, 3183720), (104, 2785755), (105, 2759224), (120, 2414321), (129, 2245880), (130, 2228604), (140, 2069418), (156, 1857170), (168, 1724515), (172, 1684410), (182, 1591860), (195, 1485736), (210, 1379612), (215, 1347528), (258, 1122940), (260, 1114302), (273, 1061240), (280, 1034709), (301, 962520), (312, 928585), (344, 842205), (364, 795930), (390, 742868), (420, 689806), (430, 673764), (455, 636744), (516, 561470), (520, 557151), (546, 530620), (559, 518280), (602, 481260), (617, 469560), (645, 449176), (728, 397965), (780, 371434), (840, 344903), (860, 336882), (903, 320840), (910, 318372), (1032, 280735), (1092, 265310), (1118, 259140), (1204, 240630), (1234, 234780), (1290, 224588), (1365, 212248), (1505, 192504), (1560, 185717), (1677, 172760), (1720, 168441), (1806, 160420), (1820, 159186), (1851, 156520), (2184, 132655), (2236, 129570), (2408, 120315), (2468, 117390), (2580, 112294), (2730, 106124), (2795, 103656), (3010, 96252), (3085, 93912), (3354, 86380), (3612, 80210), (3640, 79593), (3702, 78260), (3913, 74040), (4319, 67080), (4472, 64785), (4515, 64168), (4936, 58695), (5160, 56147), (5460, 53062), (5590, 51828), (6020, 48126), (6170, 46956), (6708, 43190), (7224, 40105), (7404, 39130), (7826, 37020), (8021, 36120), (8385, 34552), (8638, 33540), (9030, 32084), (9255, 31304), (10920, 26531), (11180, 25914), (11739, 24680), (12040, 24063), (12340, 23478), (12957, 22360), (13416, 21595), (14808, 19565), (15652, 18510), (16042, 18060), (16770, 17276)]