201499440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4219}}^1$

素因数の和:4434

約数の個数: 80

約数和(自身を含む): 627936000

約数和(自身を除く): 426436560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3184, 3980, 4219, 4776, 5970, 7960, 8438, 9552, 11940, 12657, 15920, 16876, 21095, 23880, 25314, 33752, 42190, 47760, 50628, 63285, 67504, 84380, 101256, 126570, 168760, 202512, 253140, 337520, 506280, 839581, 1012560, 1679162, 2518743, 3358324, 4197905, 5037486, 6716648, 8395810, 10074972, 12593715, 13433296, 16791620, 20149944, 25187430, 33583240, 40299888, 50374860, 67166480, 100749720, 201499440]

約数ペア:

[(1, 201499440), (2, 100749720), (3, 67166480), (4, 50374860), (5, 40299888), (6, 33583240), (8, 25187430), (10, 20149944), (12, 16791620), (15, 13433296), (16, 12593715), (20, 10074972), (24, 8395810), (30, 6716648), (40, 5037486), (48, 4197905), (60, 3358324), (80, 2518743), (120, 1679162), (199, 1012560), (240, 839581), (398, 506280), (597, 337520), (796, 253140), (995, 202512), (1194, 168760), (1592, 126570), (1990, 101256), (2388, 84380), (2985, 67504), (3184, 63285), (3980, 50628), (4219, 47760), (4776, 42190), (5970, 33752), (7960, 25314), (8438, 23880), (9552, 21095), (11940, 16876), (12657, 15920)]