156789345420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{42509}}^1$

素因数の和:43216

約数の個数: 144

約数和(自身を含む): 491690384640

約数和(自身を除く): 334901039220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 661, 930, 1116, 1322, 1395, 1860, 1983, 2644, 2790, 3305, 3966, 5580, 5949, 6610, 7932, 9915, 11898, 13220, 19830, 20491, 23796, 29745, 39660, 40982, 42509, 59490, 61473, 81964, 85018, 102455, 118980, 122946, 127527, 170036, 184419, 204910, 212545, 245892, 255054, 307365, 368838, 382581, 409820, 425090, 510108, 614730, 637635, 737676, 765162, 850180, 922095, 1229460, 1275270, 1317779, 1530324, 1844190, 1912905, 2550540, 2635558, 3688380, 3825810, 3953337, 5271116, 6588895, 7651620, 7906674, 11860011, 13177790, 15813348, 19766685, 23720022, 26355580, 28098449, 39533370, 47440044, 56196898, 59300055, 79066740, 84295347, 112393796, 118600110, 140492245, 168590694, 237200220, 252886041, 280984490, 337181388, 421476735, 505772082, 561968980, 842953470, 871051919, 1011544164, 1264430205, 1685906940, 1742103838, 2528860410, 2613155757, 3484207676, 4355259595, 5057720820, 5226311514, 7839467271, 8710519190, 10452623028, 13065778785, 15678934542, 17421038380, 26131557570, 31357869084, 39197336355, 52263115140, 78394672710, 156789345420]

約数ペア:

[(1, 156789345420), (2, 78394672710), (3, 52263115140), (4, 39197336355), (5, 31357869084), (6, 26131557570), (9, 17421038380), (10, 15678934542), (12, 13065778785), (15, 10452623028), (18, 8710519190), (20, 7839467271), (30, 5226311514), (31, 5057720820), (36, 4355259595), (45, 3484207676), (60, 2613155757), (62, 2528860410), (90, 1742103838), (93, 1685906940), (124, 1264430205), (155, 1011544164), (180, 871051919), (186, 842953470), (279, 561968980), (310, 505772082), (372, 421476735), (465, 337181388), (558, 280984490), (620, 252886041), (661, 237200220), (930, 168590694), (1116, 140492245), (1322, 118600110), (1395, 112393796), (1860, 84295347), (1983, 79066740), (2644, 59300055), (2790, 56196898), (3305, 47440044), (3966, 39533370), (5580, 28098449), (5949, 26355580), (6610, 23720022), (7932, 19766685), (9915, 15813348), (11898, 13177790), (13220, 11860011), (19830, 7906674), (20491, 7651620), (23796, 6588895), (29745, 5271116), (39660, 3953337), (40982, 3825810), (42509, 3688380), (59490, 2635558), (61473, 2550540), (81964, 1912905), (85018, 1844190), (102455, 1530324), (118980, 1317779), (122946, 1275270), (127527, 1229460), (170036, 922095), (184419, 850180), (204910, 765162), (212545, 737676), (245892, 637635), (255054, 614730), (307365, 510108), (368838, 425090), (382581, 409820)]