31460660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 85155840

約数和(自身を除く): 53695180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 659, 682, 770, 868, 1085, 1318, 1364, 1540, 1705, 2170, 2387, 2636, 3295, 3410, 4340, 4613, 4774, 6590, 6820, 7249, 9226, 9548, 11935, 13180, 14498, 18452, 20429, 23065, 23870, 28996, 36245, 40858, 46130, 47740, 50743, 72490, 81716, 92260, 101486, 102145, 143003, 144980, 202972, 204290, 224719, 253715, 286006, 408580, 449438, 507430, 572012, 715015, 898876, 1014860, 1123595, 1430030, 1573033, 2247190, 2860060, 3146066, 4494380, 6292132, 7865165, 15730330, 31460660]

約数ペア:

[(1, 31460660), (2, 15730330), (4, 7865165), (5, 6292132), (7, 4494380), (10, 3146066), (11, 2860060), (14, 2247190), (20, 1573033), (22, 1430030), (28, 1123595), (31, 1014860), (35, 898876), (44, 715015), (55, 572012), (62, 507430), (70, 449438), (77, 408580), (110, 286006), (124, 253715), (140, 224719), (154, 204290), (155, 202972), (217, 144980), (220, 143003), (308, 102145), (310, 101486), (341, 92260), (385, 81716), (434, 72490), (620, 50743), (659, 47740), (682, 46130), (770, 40858), (868, 36245), (1085, 28996), (1318, 23870), (1364, 23065), (1540, 20429), (1705, 18452), (2170, 14498), (2387, 13180), (2636, 11935), (3295, 9548), (3410, 9226), (4340, 7249), (4613, 6820), (4774, 6590)]