66756640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 167118336

約数和(自身を除く): 100361696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 313, 344, 430, 496, 620, 626, 688, 860, 992, 1240, 1252, 1333, 1376, 1565, 1720, 2480, 2504, 2666, 3130, 3440, 4960, 5008, 5332, 6260, 6665, 6880, 9703, 10016, 10664, 12520, 13330, 13459, 19406, 21328, 25040, 26660, 26918, 38812, 42656, 48515, 50080, 53320, 53836, 67295, 77624, 97030, 106640, 107672, 134590, 155248, 194060, 213280, 215344, 269180, 310496, 388120, 417229, 430688, 538360, 776240, 834458, 1076720, 1552480, 1668916, 2086145, 2153440, 3337832, 4172290, 6675664, 8344580, 13351328, 16689160, 33378320, 66756640]

約数ペア:

[(1, 66756640), (2, 33378320), (4, 16689160), (5, 13351328), (8, 8344580), (10, 6675664), (16, 4172290), (20, 3337832), (31, 2153440), (32, 2086145), (40, 1668916), (43, 1552480), (62, 1076720), (80, 834458), (86, 776240), (124, 538360), (155, 430688), (160, 417229), (172, 388120), (215, 310496), (248, 269180), (310, 215344), (313, 213280), (344, 194060), (430, 155248), (496, 134590), (620, 107672), (626, 106640), (688, 97030), (860, 77624), (992, 67295), (1240, 53836), (1252, 53320), (1333, 50080), (1376, 48515), (1565, 42656), (1720, 38812), (2480, 26918), (2504, 26660), (2666, 25040), (3130, 21328), (3440, 19406), (4960, 13459), (5008, 13330), (5332, 12520), (6260, 10664), (6665, 10016), (6880, 9703)]