121861320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:867

約数の個数: 128

約数和(自身を含む): 420249600

約数和(自身を除く): 298388280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 607, 717, 840, 956, 1195, 1214, 1434, 1673, 1821, 1912, 2390, 2428, 2868, 3035, 3346, 3585, 3642, 4249, 4780, 4856, 5019, 5736, 6070, 6692, 7170, 7284, 8365, 8498, 9105, 9560, 10038, 12140, 12747, 13384, 14340, 14568, 16730, 16996, 18210, 20076, 21245, 24280, 25095, 25494, 28680, 33460, 33992, 36420, 40152, 42490, 50190, 50988, 63735, 66920, 72840, 84980, 100380, 101976, 127470, 145073, 169960, 200760, 254940, 290146, 435219, 509880, 580292, 725365, 870438, 1015511, 1160584, 1450730, 1740876, 2031022, 2176095, 2901460, 3046533, 3481752, 4062044, 4352190, 5077555, 5802920, 6093066, 8124088, 8704380, 10155110, 12186132, 15232665, 17408760, 20310220, 24372264, 30465330, 40620440, 60930660, 121861320]

約数ペア:

[(1, 121861320), (2, 60930660), (3, 40620440), (4, 30465330), (5, 24372264), (6, 20310220), (7, 17408760), (8, 15232665), (10, 12186132), (12, 10155110), (14, 8704380), (15, 8124088), (20, 6093066), (21, 5802920), (24, 5077555), (28, 4352190), (30, 4062044), (35, 3481752), (40, 3046533), (42, 2901460), (56, 2176095), (60, 2031022), (70, 1740876), (84, 1450730), (105, 1160584), (120, 1015511), (140, 870438), (168, 725365), (210, 580292), (239, 509880), (280, 435219), (420, 290146), (478, 254940), (607, 200760), (717, 169960), (840, 145073), (956, 127470), (1195, 101976), (1214, 100380), (1434, 84980), (1673, 72840), (1821, 66920), (1912, 63735), (2390, 50988), (2428, 50190), (2868, 42490), (3035, 40152), (3346, 36420), (3585, 33992), (3642, 33460), (4249, 28680), (4780, 25494), (4856, 25095), (5019, 24280), (5736, 21245), (6070, 20076), (6692, 18210), (7170, 16996), (7284, 16730), (8365, 14568), (8498, 14340), (9105, 13384), (9560, 12747), (10038, 12140)]