280249620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 288

約数和(自身を含む): 999734400

約数和(自身を除く): 719484780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 29, 30, 35, 38, 42, 49, 57, 58, 60, 70, 76, 84, 87, 95, 98, 105, 114, 116, 133, 140, 145, 147, 173, 174, 190, 196, 203, 210, 228, 245, 266, 285, 290, 294, 346, 348, 380, 399, 406, 420, 435, 490, 519, 532, 551, 570, 580, 588, 609, 665, 692, 735, 798, 812, 865, 870, 931, 980, 1015, 1038, 1102, 1140, 1211, 1218, 1330, 1421, 1470, 1596, 1653, 1730, 1740, 1862, 1995, 2030, 2076, 2204, 2422, 2436, 2595, 2660, 2755, 2793, 2842, 2940, 3045, 3287, 3306, 3460, 3633, 3724, 3857, 3990, 4060, 4263, 4655, 4844, 5017, 5190, 5510, 5586, 5684, 6055, 6090, 6574, 6612, 7105, 7266, 7714, 7980, 8265, 8477, 8526, 9310, 9861, 10034, 10380, 11020, 11172, 11571, 12110, 12180, 13148, 13965, 14210, 14532, 15051, 15428, 16435, 16530, 16954, 17052, 18165, 18620, 19285, 19722, 20068, 21315, 23009, 23142, 24220, 25085, 25431, 26999, 27930, 28420, 30102, 32870, 33060, 33908, 35119, 36330, 38570, 39444, 42385, 42630, 46018, 46284, 49305, 50170, 50862, 53998, 55860, 57855, 60204, 65740, 69027, 70238, 72660, 75255, 77140, 80997, 84770, 85260, 92036, 95323, 98610, 100340, 101724, 105357, 107996, 115045, 115710, 127155, 134995, 138054, 140476, 150510, 161063, 161994, 169540, 175595, 190646, 197220, 210714, 230090, 231420, 245833, 254310, 269990, 276108, 285969, 301020, 322126, 323988, 345135, 351190, 381292, 404985, 421428, 460180, 476615, 483189, 491666, 508620, 526785, 539980, 571938, 644252, 667261, 690270, 702380, 737499, 805315, 809970, 953230, 966378, 983332, 1053570, 1143876, 1229165, 1334522, 1380540, 1429845, 1474998, 1610630, 1619940, 1906460, 1932756, 2001783, 2107140, 2415945, 2458330, 2669044, 2859690, 2949996, 3221260, 3336305, 3687495, 4003566, 4670827, 4831890, 4916660, 5719380, 6672610, 7374990, 8007132, 9341654, 9663780, 10008915, 13345220, 14012481, 14749980, 18683308, 20017830, 23354135, 28024962, 40035660, 46708270, 56049924, 70062405, 93416540, 140124810, 280249620]

約数ペア:

[(1, 280249620), (2, 140124810), (3, 93416540), (4, 70062405), (5, 56049924), (6, 46708270), (7, 40035660), (10, 28024962), (12, 23354135), (14, 20017830), (15, 18683308), (19, 14749980), (20, 14012481), (21, 13345220), (28, 10008915), (29, 9663780), (30, 9341654), (35, 8007132), (38, 7374990), (42, 6672610), (49, 5719380), (57, 4916660), (58, 4831890), (60, 4670827), (70, 4003566), (76, 3687495), (84, 3336305), (87, 3221260), (95, 2949996), (98, 2859690), (105, 2669044), (114, 2458330), (116, 2415945), (133, 2107140), (140, 2001783), (145, 1932756), (147, 1906460), (173, 1619940), (174, 1610630), (190, 1474998), (196, 1429845), (203, 1380540), (210, 1334522), (228, 1229165), (245, 1143876), (266, 1053570), (285, 983332), (290, 966378), (294, 953230), (346, 809970), (348, 805315), (380, 737499), (399, 702380), (406, 690270), (420, 667261), (435, 644252), (490, 571938), (519, 539980), (532, 526785), (551, 508620), (570, 491666), (580, 483189), (588, 476615), (609, 460180), (665, 421428), (692, 404985), (735, 381292), (798, 351190), (812, 345135), (865, 323988), (870, 322126), (931, 301020), (980, 285969), (1015, 276108), (1038, 269990), (1102, 254310), (1140, 245833), (1211, 231420), (1218, 230090), (1330, 210714), (1421, 197220), (1470, 190646), (1596, 175595), (1653, 169540), (1730, 161994), (1740, 161063), (1862, 150510), (1995, 140476), (2030, 138054), (2076, 134995), (2204, 127155), (2422, 115710), (2436, 115045), (2595, 107996), (2660, 105357), (2755, 101724), (2793, 100340), (2842, 98610), (2940, 95323), (3045, 92036), (3287, 85260), (3306, 84770), (3460, 80997), (3633, 77140), (3724, 75255), (3857, 72660), (3990, 70238), (4060, 69027), (4263, 65740), (4655, 60204), (4844, 57855), (5017, 55860), (5190, 53998), (5510, 50862), (5586, 50170), (5684, 49305), (6055, 46284), (6090, 46018), (6574, 42630), (6612, 42385), (7105, 39444), (7266, 38570), (7714, 36330), (7980, 35119), (8265, 33908), (8477, 33060), (8526, 32870), (9310, 30102), (9861, 28420), (10034, 27930), (10380, 26999), (11020, 25431), (11172, 25085), (11571, 24220), (12110, 23142), (12180, 23009), (13148, 21315), (13965, 20068), (14210, 19722), (14532, 19285), (15051, 18620), (15428, 18165), (16435, 17052), (16530, 16954)]