747459720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{42373}}^1$

素因数の和:42404

約数の個数: 144

約数和(自身を含む): 2825922060

約数和(自身を除く): 2078462340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 42373, 84746, 127119, 169492, 211865, 254238, 296611, 338984, 381357, 423730, 508476, 593222, 635595, 762714, 847460, 889833, 1016952, 1186444, 1271190, 1483055, 1525428, 1694920, 1779666, 1906785, 2076277, 2372888, 2542380, 2669499, 2966110, 3050856, 3559332, 3813570, 4152554, 4449165, 5084760, 5338998, 5932220, 6228831, 7118664, 7627140, 8305108, 8898330, 10381385, 10677996, 11864440, 12457662, 13347495, 15254280, 16610216, 17796660, 18686493, 20762770, 21355992, 24915324, 26694990, 31144155, 35593320, 37372986, 41525540, 49830648, 53389980, 62288310, 74745972, 83051080, 93432465, 106779960, 124576620, 149491944, 186864930, 249153240, 373729860, 747459720]

約数ペア:

[(1, 747459720), (2, 373729860), (3, 249153240), (4, 186864930), (5, 149491944), (6, 124576620), (7, 106779960), (8, 93432465), (9, 83051080), (10, 74745972), (12, 62288310), (14, 53389980), (15, 49830648), (18, 41525540), (20, 37372986), (21, 35593320), (24, 31144155), (28, 26694990), (30, 24915324), (35, 21355992), (36, 20762770), (40, 18686493), (42, 17796660), (45, 16610216), (49, 15254280), (56, 13347495), (60, 12457662), (63, 11864440), (70, 10677996), (72, 10381385), (84, 8898330), (90, 8305108), (98, 7627140), (105, 7118664), (120, 6228831), (126, 5932220), (140, 5338998), (147, 5084760), (168, 4449165), (180, 4152554), (196, 3813570), (210, 3559332), (245, 3050856), (252, 2966110), (280, 2669499), (294, 2542380), (315, 2372888), (360, 2076277), (392, 1906785), (420, 1779666), (441, 1694920), (490, 1525428), (504, 1483055), (588, 1271190), (630, 1186444), (735, 1016952), (840, 889833), (882, 847460), (980, 762714), (1176, 635595), (1260, 593222), (1470, 508476), (1764, 423730), (1960, 381357), (2205, 338984), (2520, 296611), (2940, 254238), (3528, 211865), (4410, 169492), (5880, 127119), (8820, 84746), (17640, 42373)]