128778120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 456192000

約数和(自身を除く): 327413880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 47, 54, 59, 60, 72, 86, 90, 94, 108, 118, 120, 129, 135, 141, 172, 177, 180, 188, 215, 216, 235, 236, 258, 270, 282, 295, 344, 354, 360, 376, 387, 423, 430, 470, 472, 516, 531, 540, 564, 590, 645, 705, 708, 774, 846, 860, 885, 940, 1032, 1062, 1080, 1128, 1161, 1180, 1269, 1290, 1410, 1416, 1548, 1593, 1692, 1720, 1770, 1880, 1935, 2021, 2115, 2124, 2322, 2360, 2537, 2538, 2580, 2655, 2773, 2820, 3096, 3186, 3384, 3540, 3870, 4042, 4230, 4248, 4644, 5074, 5076, 5160, 5310, 5546, 5640, 5805, 6063, 6345, 6372, 7080, 7611, 7740, 7965, 8084, 8319, 8460, 9288, 10105, 10148, 10152, 10620, 11092, 11610, 12126, 12685, 12690, 12744, 13865, 15222, 15480, 15930, 16168, 16638, 16920, 18189, 20210, 20296, 21240, 22184, 22833, 23220, 24252, 24957, 25370, 25380, 27730, 30315, 30444, 31860, 33276, 36378, 38055, 40420, 41595, 45666, 46440, 48504, 49914, 50740, 50760, 54567, 55460, 60630, 60888, 63720, 66552, 68499, 72756, 74871, 76110, 80840, 83190, 90945, 91332, 99828, 101480, 109134, 110920, 114165, 119239, 121260, 124785, 136998, 145512, 149742, 152220, 166380, 181890, 182664, 199656, 218268, 228330, 238478, 242520, 249570, 272835, 273996, 299484, 304440, 332760, 342495, 357717, 363780, 374355, 436536, 456660, 476956, 499140, 545670, 547992, 596195, 598968, 684990, 715434, 727560, 748710, 913320, 953912, 998280, 1073151, 1091340, 1192390, 1369980, 1430868, 1497420, 1788585, 2146302, 2182680, 2384780, 2739960, 2861736, 2994840, 3219453, 3577170, 4292604, 4769560, 5365755, 6438906, 7154340, 8585208, 10731510, 12877812, 14308680, 16097265, 21463020, 25755624, 32194530, 42926040, 64389060, 128778120]

約数ペア:

[(1, 128778120), (2, 64389060), (3, 42926040), (4, 32194530), (5, 25755624), (6, 21463020), (8, 16097265), (9, 14308680), (10, 12877812), (12, 10731510), (15, 8585208), (18, 7154340), (20, 6438906), (24, 5365755), (27, 4769560), (30, 4292604), (36, 3577170), (40, 3219453), (43, 2994840), (45, 2861736), (47, 2739960), (54, 2384780), (59, 2182680), (60, 2146302), (72, 1788585), (86, 1497420), (90, 1430868), (94, 1369980), (108, 1192390), (118, 1091340), (120, 1073151), (129, 998280), (135, 953912), (141, 913320), (172, 748710), (177, 727560), (180, 715434), (188, 684990), (215, 598968), (216, 596195), (235, 547992), (236, 545670), (258, 499140), (270, 476956), (282, 456660), (295, 436536), (344, 374355), (354, 363780), (360, 357717), (376, 342495), (387, 332760), (423, 304440), (430, 299484), (470, 273996), (472, 272835), (516, 249570), (531, 242520), (540, 238478), (564, 228330), (590, 218268), (645, 199656), (705, 182664), (708, 181890), (774, 166380), (846, 152220), (860, 149742), (885, 145512), (940, 136998), (1032, 124785), (1062, 121260), (1080, 119239), (1128, 114165), (1161, 110920), (1180, 109134), (1269, 101480), (1290, 99828), (1410, 91332), (1416, 90945), (1548, 83190), (1593, 80840), (1692, 76110), (1720, 74871), (1770, 72756), (1880, 68499), (1935, 66552), (2021, 63720), (2115, 60888), (2124, 60630), (2322, 55460), (2360, 54567), (2537, 50760), (2538, 50740), (2580, 49914), (2655, 48504), (2773, 46440), (2820, 45666), (3096, 41595), (3186, 40420), (3384, 38055), (3540, 36378), (3870, 33276), (4042, 31860), (4230, 30444), (4248, 30315), (4644, 27730), (5074, 25380), (5076, 25370), (5160, 24957), (5310, 24252), (5546, 23220), (5640, 22833), (5805, 22184), (6063, 21240), (6345, 20296), (6372, 20210), (7080, 18189), (7611, 16920), (7740, 16638), (7965, 16168), (8084, 15930), (8319, 15480), (8460, 15222), (9288, 13865), (10105, 12744), (10148, 12690), (10152, 12685), (10620, 12126), (11092, 11610)]