989676240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{613}}^1$

素因数の和:698

約数の個数: 240

約数和(自身を含む): 3628946304

約数和(自身を除く): 2639270064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 613, 620, 651, 744, 840, 868, 930, 961, 1085, 1226, 1240, 1302, 1488, 1680, 1736, 1839, 1860, 1922, 2170, 2452, 2480, 2604, 2883, 3065, 3255, 3472, 3678, 3720, 3844, 4291, 4340, 4805, 4904, 5208, 5766, 6130, 6510, 6727, 7356, 7440, 7688, 8582, 8680, 9195, 9610, 9808, 10416, 11532, 12260, 12873, 13020, 13454, 14415, 14712, 15376, 17164, 17360, 18390, 19003, 19220, 20181, 21455, 23064, 24520, 25746, 26040, 26908, 28830, 29424, 33635, 34328, 36780, 38006, 38440, 40362, 42910, 46128, 49040, 51492, 52080, 53816, 57009, 57660, 64365, 67270, 68656, 73560, 76012, 76880, 80724, 85820, 95015, 100905, 102984, 107632, 114018, 115320, 128730, 133021, 134540, 147120, 152024, 161448, 171640, 190030, 201810, 205968, 228036, 230640, 257460, 266042, 269080, 285045, 304048, 322896, 343280, 380060, 399063, 403620, 456072, 514920, 532084, 538160, 570090, 589093, 665105, 760120, 798126, 807240, 912144, 1029840, 1064168, 1140180, 1178186, 1330210, 1520240, 1596252, 1614480, 1767279, 1995315, 2128336, 2280360, 2356372, 2660420, 2945465, 3192504, 3534558, 3990630, 4123651, 4560720, 4712744, 5320840, 5890930, 6385008, 7069116, 7981260, 8247302, 8836395, 9425488, 10641680, 11781860, 12370953, 14138232, 15962520, 16494604, 17672790, 20618255, 23563720, 24741906, 28276464, 31925040, 32989208, 35345580, 41236510, 47127440, 49483812, 61854765, 65978416, 70691160, 82473020, 98967624, 123709530, 141382320, 164946040, 197935248, 247419060, 329892080, 494838120, 989676240]

約数ペア:

[(1, 989676240), (2, 494838120), (3, 329892080), (4, 247419060), (5, 197935248), (6, 164946040), (7, 141382320), (8, 123709530), (10, 98967624), (12, 82473020), (14, 70691160), (15, 65978416), (16, 61854765), (20, 49483812), (21, 47127440), (24, 41236510), (28, 35345580), (30, 32989208), (31, 31925040), (35, 28276464), (40, 24741906), (42, 23563720), (48, 20618255), (56, 17672790), (60, 16494604), (62, 15962520), (70, 14138232), (80, 12370953), (84, 11781860), (93, 10641680), (105, 9425488), (112, 8836395), (120, 8247302), (124, 7981260), (140, 7069116), (155, 6385008), (168, 5890930), (186, 5320840), (210, 4712744), (217, 4560720), (240, 4123651), (248, 3990630), (280, 3534558), (310, 3192504), (336, 2945465), (372, 2660420), (420, 2356372), (434, 2280360), (465, 2128336), (496, 1995315), (560, 1767279), (613, 1614480), (620, 1596252), (651, 1520240), (744, 1330210), (840, 1178186), (868, 1140180), (930, 1064168), (961, 1029840), (1085, 912144), (1226, 807240), (1240, 798126), (1302, 760120), (1488, 665105), (1680, 589093), (1736, 570090), (1839, 538160), (1860, 532084), (1922, 514920), (2170, 456072), (2452, 403620), (2480, 399063), (2604, 380060), (2883, 343280), (3065, 322896), (3255, 304048), (3472, 285045), (3678, 269080), (3720, 266042), (3844, 257460), (4291, 230640), (4340, 228036), (4805, 205968), (4904, 201810), (5208, 190030), (5766, 171640), (6130, 161448), (6510, 152024), (6727, 147120), (7356, 134540), (7440, 133021), (7688, 128730), (8582, 115320), (8680, 114018), (9195, 107632), (9610, 102984), (9808, 100905), (10416, 95015), (11532, 85820), (12260, 80724), (12873, 76880), (13020, 76012), (13454, 73560), (14415, 68656), (14712, 67270), (15376, 64365), (17164, 57660), (17360, 57009), (18390, 53816), (19003, 52080), (19220, 51492), (20181, 49040), (21455, 46128), (23064, 42910), (24520, 40362), (25746, 38440), (26040, 38006), (26908, 36780), (28830, 34328), (29424, 33635)]