198943920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{5639}}^1$

素因数の和:5672

約数の個数: 180

約数和(自身を含む): 777338640

約数和(自身を除く): 578394720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5639, 5880, 7056, 8820, 11278, 11760, 16917, 17640, 22556, 28195, 33834, 35280, 39473, 45112, 50751, 56390, 67668, 78946, 84585, 90224, 101502, 112780, 118419, 135336, 157892, 169170, 197365, 203004, 225560, 236838, 253755, 270672, 276311, 315784, 338340, 355257, 394730, 406008, 451120, 473676, 507510, 552622, 592095, 631568, 676680, 710514, 789460, 812016, 828933, 947352, 1015020, 1105244, 1184190, 1353360, 1381555, 1421028, 1578920, 1657866, 1776285, 1894704, 2030040, 2210488, 2368380, 2486799, 2763110, 2842056, 3157840, 3315732, 3552570, 4060080, 4144665, 4420976, 4736760, 4973598, 5526220, 5684112, 6631464, 7105140, 8289330, 9473520, 9947196, 11052440, 12433995, 13262928, 14210280, 16578660, 19894392, 22104880, 24867990, 28420560, 33157320, 39788784, 49735980, 66314640, 99471960, 198943920]

約数ペア:

[(1, 198943920), (2, 99471960), (3, 66314640), (4, 49735980), (5, 39788784), (6, 33157320), (7, 28420560), (8, 24867990), (9, 22104880), (10, 19894392), (12, 16578660), (14, 14210280), (15, 13262928), (16, 12433995), (18, 11052440), (20, 9947196), (21, 9473520), (24, 8289330), (28, 7105140), (30, 6631464), (35, 5684112), (36, 5526220), (40, 4973598), (42, 4736760), (45, 4420976), (48, 4144665), (49, 4060080), (56, 3552570), (60, 3315732), (63, 3157840), (70, 2842056), (72, 2763110), (80, 2486799), (84, 2368380), (90, 2210488), (98, 2030040), (105, 1894704), (112, 1776285), (120, 1657866), (126, 1578920), (140, 1421028), (144, 1381555), (147, 1353360), (168, 1184190), (180, 1105244), (196, 1015020), (210, 947352), (240, 828933), (245, 812016), (252, 789460), (280, 710514), (294, 676680), (315, 631568), (336, 592095), (360, 552622), (392, 507510), (420, 473676), (441, 451120), (490, 406008), (504, 394730), (560, 355257), (588, 338340), (630, 315784), (720, 276311), (735, 270672), (784, 253755), (840, 236838), (882, 225560), (980, 203004), (1008, 197365), (1176, 169170), (1260, 157892), (1470, 135336), (1680, 118419), (1764, 112780), (1960, 101502), (2205, 90224), (2352, 84585), (2520, 78946), (2940, 67668), (3528, 56390), (3920, 50751), (4410, 45112), (5040, 39473), (5639, 35280), (5880, 33834), (7056, 28195), (8820, 22556), (11278, 17640), (11760, 16917)]