31104780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2439

約数の個数: 96

約数和(自身を含む): 102789120

約数和(自身を除く): 71684340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2389, 2604, 3255, 4340, 4778, 6510, 7167, 9556, 11945, 13020, 14334, 16723, 23890, 28668, 33446, 35835, 47780, 50169, 66892, 71670, 74059, 83615, 100338, 143340, 148118, 167230, 200676, 222177, 250845, 296236, 334460, 370295, 444354, 501690, 518413, 740590, 888708, 1003380, 1036826, 1110885, 1481180, 1555239, 2073652, 2221770, 2592065, 3110478, 4443540, 5184130, 6220956, 7776195, 10368260, 15552390, 31104780]

約数ペア:

[(1, 31104780), (2, 15552390), (3, 10368260), (4, 7776195), (5, 6220956), (6, 5184130), (7, 4443540), (10, 3110478), (12, 2592065), (14, 2221770), (15, 2073652), (20, 1555239), (21, 1481180), (28, 1110885), (30, 1036826), (31, 1003380), (35, 888708), (42, 740590), (60, 518413), (62, 501690), (70, 444354), (84, 370295), (93, 334460), (105, 296236), (124, 250845), (140, 222177), (155, 200676), (186, 167230), (210, 148118), (217, 143340), (310, 100338), (372, 83615), (420, 74059), (434, 71670), (465, 66892), (620, 50169), (651, 47780), (868, 35835), (930, 33446), (1085, 28668), (1302, 23890), (1860, 16723), (2170, 14334), (2389, 13020), (2604, 11945), (3255, 9556), (4340, 7167), (4778, 6510)]