178997100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1080

約数の個数: 144

約数和(自身を含む): 563297280

約数和(自身を除く): 384300180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 31, 38, 50, 57, 60, 62, 75, 76, 93, 95, 100, 114, 124, 150, 155, 186, 190, 228, 285, 300, 310, 372, 380, 465, 475, 570, 589, 620, 775, 930, 950, 1013, 1140, 1178, 1425, 1550, 1767, 1860, 1900, 2026, 2325, 2356, 2850, 2945, 3039, 3100, 3534, 4052, 4650, 5065, 5700, 5890, 6078, 7068, 8835, 9300, 10130, 11780, 12156, 14725, 15195, 17670, 19247, 20260, 25325, 29450, 30390, 31403, 35340, 38494, 44175, 50650, 57741, 58900, 60780, 62806, 75975, 76988, 88350, 94209, 96235, 101300, 115482, 125612, 151950, 157015, 176700, 188418, 192470, 230964, 288705, 303900, 314030, 376836, 384940, 471045, 481175, 577410, 596657, 628060, 785075, 942090, 962350, 1154820, 1193314, 1443525, 1570150, 1789971, 1884180, 1924700, 2355225, 2386628, 2887050, 2983285, 3140300, 3579942, 4710450, 5774100, 5966570, 7159884, 8949855, 9420900, 11933140, 14916425, 17899710, 29832850, 35799420, 44749275, 59665700, 89498550, 178997100]

約数ペア:

[(1, 178997100), (2, 89498550), (3, 59665700), (4, 44749275), (5, 35799420), (6, 29832850), (10, 17899710), (12, 14916425), (15, 11933140), (19, 9420900), (20, 8949855), (25, 7159884), (30, 5966570), (31, 5774100), (38, 4710450), (50, 3579942), (57, 3140300), (60, 2983285), (62, 2887050), (75, 2386628), (76, 2355225), (93, 1924700), (95, 1884180), (100, 1789971), (114, 1570150), (124, 1443525), (150, 1193314), (155, 1154820), (186, 962350), (190, 942090), (228, 785075), (285, 628060), (300, 596657), (310, 577410), (372, 481175), (380, 471045), (465, 384940), (475, 376836), (570, 314030), (589, 303900), (620, 288705), (775, 230964), (930, 192470), (950, 188418), (1013, 176700), (1140, 157015), (1178, 151950), (1425, 125612), (1550, 115482), (1767, 101300), (1860, 96235), (1900, 94209), (2026, 88350), (2325, 76988), (2356, 75975), (2850, 62806), (2945, 60780), (3039, 58900), (3100, 57741), (3534, 50650), (4052, 44175), (4650, 38494), (5065, 35340), (5700, 31403), (5890, 30390), (6078, 29450), (7068, 25325), (8835, 20260), (9300, 19247), (10130, 17670), (11780, 15195), (12156, 14725)]