201581120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1108

約数の個数: 112

約数和(自身を含む): 528450048

約数和(自身を除く): 326868928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 320, 376, 416, 470, 520, 611, 752, 832, 940, 1031, 1040, 1222, 1504, 1880, 2062, 2080, 2444, 3008, 3055, 3760, 4124, 4160, 4888, 5155, 6110, 7520, 8248, 9776, 10310, 12220, 13403, 15040, 16496, 19552, 20620, 24440, 26806, 32992, 39104, 41240, 48457, 48880, 53612, 65984, 67015, 82480, 96914, 97760, 107224, 134030, 164960, 193828, 195520, 214448, 242285, 268060, 329920, 387656, 428896, 484570, 536120, 629941, 775312, 857792, 969140, 1072240, 1259882, 1550624, 1938280, 2144480, 2519764, 3101248, 3149705, 3876560, 4288960, 5039528, 6299410, 7753120, 10079056, 12598820, 15506240, 20158112, 25197640, 40316224, 50395280, 100790560, 201581120]

約数ペア:

[(1, 201581120), (2, 100790560), (4, 50395280), (5, 40316224), (8, 25197640), (10, 20158112), (13, 15506240), (16, 12598820), (20, 10079056), (26, 7753120), (32, 6299410), (40, 5039528), (47, 4288960), (52, 3876560), (64, 3149705), (65, 3101248), (80, 2519764), (94, 2144480), (104, 1938280), (130, 1550624), (160, 1259882), (188, 1072240), (208, 969140), (235, 857792), (260, 775312), (320, 629941), (376, 536120), (416, 484570), (470, 428896), (520, 387656), (611, 329920), (752, 268060), (832, 242285), (940, 214448), (1031, 195520), (1040, 193828), (1222, 164960), (1504, 134030), (1880, 107224), (2062, 97760), (2080, 96914), (2444, 82480), (3008, 67015), (3055, 65984), (3760, 53612), (4124, 48880), (4160, 48457), (4888, 41240), (5155, 39104), (6110, 32992), (7520, 26806), (8248, 24440), (9776, 20620), (10310, 19552), (12220, 16496), (13403, 15040)]