15707781220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{429409}}^1$

素因数の和:429508

約数の個数: 48

約数和(自身を含む): 34627622400

約数和(自身を除く): 18919841180

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3658, 7316, 9145, 18290, 36580, 429409, 858818, 1717636, 2147045, 4294090, 8588180, 13311679, 25335131, 26623358, 50670262, 53246716, 66558395, 101340524, 126675655, 133116790, 253351310, 266233580, 506702620, 785389061, 1570778122, 3141556244, 3926945305, 7853890610, 15707781220]

約数ペア:

[(1, 15707781220), (2, 7853890610), (4, 3926945305), (5, 3141556244), (10, 1570778122), (20, 785389061), (31, 506702620), (59, 266233580), (62, 253351310), (118, 133116790), (124, 126675655), (155, 101340524), (236, 66558395), (295, 53246716), (310, 50670262), (590, 26623358), (620, 25335131), (1180, 13311679), (1829, 8588180), (3658, 4294090), (7316, 2147045), (9145, 1717636), (18290, 858818), (36580, 429409)]