157055920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 439971840

約数和(自身を除く): 282915920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 83, 109, 112, 124, 140, 155, 166, 217, 218, 248, 280, 310, 332, 415, 434, 436, 496, 545, 560, 581, 620, 664, 763, 830, 868, 872, 1085, 1090, 1162, 1240, 1328, 1526, 1660, 1736, 1744, 2170, 2180, 2324, 2480, 2573, 2905, 3052, 3320, 3379, 3472, 3815, 4340, 4360, 4648, 5146, 5810, 6104, 6640, 6758, 7630, 8680, 8720, 9047, 9296, 10292, 11620, 12208, 12865, 13516, 15260, 16895, 17360, 18011, 18094, 20584, 23240, 23653, 25730, 27032, 30520, 33790, 36022, 36188, 41168, 45235, 46480, 47306, 51460, 54064, 61040, 63329, 67580, 72044, 72376, 90055, 90470, 94612, 102920, 118265, 126658, 135160, 144088, 144752, 180110, 180940, 189224, 205840, 236530, 253316, 270320, 280457, 288176, 316645, 360220, 361880, 378448, 473060, 506632, 560914, 633290, 720440, 723760, 946120, 1013264, 1121828, 1266580, 1402285, 1440880, 1892240, 1963199, 2243656, 2533160, 2804570, 3926398, 4487312, 5066320, 5609140, 7852796, 9815995, 11218280, 15705592, 19631990, 22436560, 31411184, 39263980, 78527960, 157055920]

約数ペア:

[(1, 157055920), (2, 78527960), (4, 39263980), (5, 31411184), (7, 22436560), (8, 19631990), (10, 15705592), (14, 11218280), (16, 9815995), (20, 7852796), (28, 5609140), (31, 5066320), (35, 4487312), (40, 3926398), (56, 2804570), (62, 2533160), (70, 2243656), (80, 1963199), (83, 1892240), (109, 1440880), (112, 1402285), (124, 1266580), (140, 1121828), (155, 1013264), (166, 946120), (217, 723760), (218, 720440), (248, 633290), (280, 560914), (310, 506632), (332, 473060), (415, 378448), (434, 361880), (436, 360220), (496, 316645), (545, 288176), (560, 280457), (581, 270320), (620, 253316), (664, 236530), (763, 205840), (830, 189224), (868, 180940), (872, 180110), (1085, 144752), (1090, 144088), (1162, 135160), (1240, 126658), (1328, 118265), (1526, 102920), (1660, 94612), (1736, 90470), (1744, 90055), (2170, 72376), (2180, 72044), (2324, 67580), (2480, 63329), (2573, 61040), (2905, 54064), (3052, 51460), (3320, 47306), (3379, 46480), (3472, 45235), (3815, 41168), (4340, 36188), (4360, 36022), (4648, 33790), (5146, 30520), (5810, 27032), (6104, 25730), (6640, 23653), (6758, 23240), (7630, 20584), (8680, 18094), (8720, 18011), (9047, 17360), (9296, 16895), (10292, 15260), (11620, 13516), (12208, 12865)]