74967920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 199034880

約数和(自身を除く): 124066960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 37, 38, 40, 43, 62, 74, 76, 80, 86, 95, 124, 148, 152, 155, 172, 185, 190, 215, 248, 296, 304, 310, 344, 370, 380, 430, 496, 589, 592, 620, 688, 703, 740, 760, 817, 860, 1147, 1178, 1240, 1333, 1406, 1480, 1520, 1591, 1634, 1720, 2294, 2356, 2480, 2666, 2812, 2945, 2960, 3182, 3268, 3440, 3515, 4085, 4588, 4712, 5332, 5624, 5735, 5890, 6364, 6536, 6665, 7030, 7955, 8170, 9176, 9424, 10664, 11248, 11470, 11780, 12728, 13072, 13330, 14060, 15910, 16340, 18352, 21328, 21793, 22940, 23560, 25327, 25456, 26660, 28120, 30229, 31820, 32680, 43586, 45880, 47120, 49321, 50654, 53320, 56240, 60458, 63640, 65360, 87172, 91760, 98642, 101308, 106640, 108965, 120916, 126635, 127280, 151145, 174344, 197284, 202616, 217930, 241832, 246605, 253270, 302290, 348688, 394568, 405232, 435860, 483664, 493210, 506540, 604580, 789136, 871720, 937099, 986420, 1013080, 1209160, 1743440, 1874198, 1972840, 2026160, 2418320, 3748396, 3945680, 4685495, 7496792, 9370990, 14993584, 18741980, 37483960, 74967920]

約数ペア:

[(1, 74967920), (2, 37483960), (4, 18741980), (5, 14993584), (8, 9370990), (10, 7496792), (16, 4685495), (19, 3945680), (20, 3748396), (31, 2418320), (37, 2026160), (38, 1972840), (40, 1874198), (43, 1743440), (62, 1209160), (74, 1013080), (76, 986420), (80, 937099), (86, 871720), (95, 789136), (124, 604580), (148, 506540), (152, 493210), (155, 483664), (172, 435860), (185, 405232), (190, 394568), (215, 348688), (248, 302290), (296, 253270), (304, 246605), (310, 241832), (344, 217930), (370, 202616), (380, 197284), (430, 174344), (496, 151145), (589, 127280), (592, 126635), (620, 120916), (688, 108965), (703, 106640), (740, 101308), (760, 98642), (817, 91760), (860, 87172), (1147, 65360), (1178, 63640), (1240, 60458), (1333, 56240), (1406, 53320), (1480, 50654), (1520, 49321), (1591, 47120), (1634, 45880), (1720, 43586), (2294, 32680), (2356, 31820), (2480, 30229), (2666, 28120), (2812, 26660), (2945, 25456), (2960, 25327), (3182, 23560), (3268, 22940), (3440, 21793), (3515, 21328), (4085, 18352), (4588, 16340), (4712, 15910), (5332, 14060), (5624, 13330), (5735, 13072), (5890, 12728), (6364, 11780), (6536, 11470), (6665, 11248), (7030, 10664), (7955, 9424), (8170, 9176)]