247891120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 599649120

約数和(自身を除く): 351758000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 148, 166, 185, 296, 332, 370, 415, 592, 664, 740, 830, 1009, 1328, 1480, 1660, 2018, 2960, 3071, 3320, 4036, 5045, 6142, 6640, 8072, 10090, 12284, 15355, 16144, 20180, 24568, 30710, 37333, 40360, 49136, 61420, 74666, 80720, 83747, 122840, 149332, 167494, 186665, 245680, 298664, 334988, 373330, 418735, 597328, 669976, 746660, 837470, 1339952, 1493320, 1674940, 2986640, 3098639, 3349880, 6197278, 6699760, 12394556, 15493195, 24789112, 30986390, 49578224, 61972780, 123945560, 247891120]

約数ペア:

[(1, 247891120), (2, 123945560), (4, 61972780), (5, 49578224), (8, 30986390), (10, 24789112), (16, 15493195), (20, 12394556), (37, 6699760), (40, 6197278), (74, 3349880), (80, 3098639), (83, 2986640), (148, 1674940), (166, 1493320), (185, 1339952), (296, 837470), (332, 746660), (370, 669976), (415, 597328), (592, 418735), (664, 373330), (740, 334988), (830, 298664), (1009, 245680), (1328, 186665), (1480, 167494), (1660, 149332), (2018, 122840), (2960, 83747), (3071, 80720), (3320, 74666), (4036, 61420), (5045, 49136), (6142, 40360), (6640, 37333), (8072, 30710), (10090, 24568), (12284, 20180), (15355, 16144)]