717367280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^3\times {\mathrm{43}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 2015490048

約数和(自身を除く): 1298122768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 56, 62, 70, 80, 86, 112, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 344, 430, 434, 496, 560, 602, 620, 688, 860, 868, 961, 1085, 1204, 1240, 1333, 1505, 1720, 1736, 1922, 2170, 2408, 2480, 2666, 3010, 3440, 3472, 3844, 4340, 4805, 4816, 5332, 6020, 6665, 6727, 7688, 8680, 9331, 9610, 10664, 12040, 13330, 13454, 15376, 17360, 18662, 19220, 21328, 24080, 26660, 26908, 29791, 33635, 37324, 38440, 41323, 46655, 53320, 53816, 59582, 67270, 74648, 76880, 82646, 93310, 106640, 107632, 119164, 134540, 148955, 149296, 165292, 186620, 206615, 208537, 238328, 269080, 289261, 297910, 330584, 373240, 413230, 417074, 476656, 538160, 578522, 595820, 661168, 746480, 826460, 834148, 1042685, 1157044, 1191640, 1281013, 1446305, 1652920, 1668296, 2085370, 2314088, 2383280, 2562026, 2892610, 3305840, 3336592, 4170740, 4628176, 5124052, 5785220, 6405065, 8341480, 8967091, 10248104, 11570440, 12810130, 16682960, 17934182, 20496208, 23140880, 25620260, 35868364, 44835455, 51240520, 71736728, 89670910, 102481040, 143473456, 179341820, 358683640, 717367280]

約数ペア:

[(1, 717367280), (2, 358683640), (4, 179341820), (5, 143473456), (7, 102481040), (8, 89670910), (10, 71736728), (14, 51240520), (16, 44835455), (20, 35868364), (28, 25620260), (31, 23140880), (35, 20496208), (40, 17934182), (43, 16682960), (56, 12810130), (62, 11570440), (70, 10248104), (80, 8967091), (86, 8341480), (112, 6405065), (124, 5785220), (140, 5124052), (155, 4628176), (172, 4170740), (215, 3336592), (217, 3305840), (248, 2892610), (280, 2562026), (301, 2383280), (310, 2314088), (344, 2085370), (430, 1668296), (434, 1652920), (496, 1446305), (560, 1281013), (602, 1191640), (620, 1157044), (688, 1042685), (860, 834148), (868, 826460), (961, 746480), (1085, 661168), (1204, 595820), (1240, 578522), (1333, 538160), (1505, 476656), (1720, 417074), (1736, 413230), (1922, 373240), (2170, 330584), (2408, 297910), (2480, 289261), (2666, 269080), (3010, 238328), (3440, 208537), (3472, 206615), (3844, 186620), (4340, 165292), (4805, 149296), (4816, 148955), (5332, 134540), (6020, 119164), (6665, 107632), (6727, 106640), (7688, 93310), (8680, 82646), (9331, 76880), (9610, 74648), (10664, 67270), (12040, 59582), (13330, 53816), (13454, 53320), (15376, 46655), (17360, 41323), (18662, 38440), (19220, 37324), (21328, 33635), (24080, 29791), (26660, 26908)]