664654880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1450

約数の個数: 96

約数和(自身を含む): 1637895168

約数和(自身を除く): 973240288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 103, 124, 155, 160, 206, 248, 310, 412, 496, 515, 620, 824, 992, 1030, 1240, 1301, 1648, 2060, 2480, 2602, 3193, 3296, 4120, 4960, 5204, 6386, 6505, 8240, 10408, 12772, 13010, 15965, 16480, 20816, 25544, 26020, 31930, 40331, 41632, 51088, 52040, 63860, 80662, 102176, 104080, 127720, 134003, 161324, 201655, 208160, 255440, 268006, 322648, 403310, 510880, 536012, 645296, 670015, 806620, 1072024, 1290592, 1340030, 1613240, 2144048, 2680060, 3226480, 4154093, 4288096, 5360120, 6452960, 8308186, 10720240, 16616372, 20770465, 21440480, 33232744, 41540930, 66465488, 83081860, 132930976, 166163720, 332327440, 664654880]

約数ペア:

[(1, 664654880), (2, 332327440), (4, 166163720), (5, 132930976), (8, 83081860), (10, 66465488), (16, 41540930), (20, 33232744), (31, 21440480), (32, 20770465), (40, 16616372), (62, 10720240), (80, 8308186), (103, 6452960), (124, 5360120), (155, 4288096), (160, 4154093), (206, 3226480), (248, 2680060), (310, 2144048), (412, 1613240), (496, 1340030), (515, 1290592), (620, 1072024), (824, 806620), (992, 670015), (1030, 645296), (1240, 536012), (1301, 510880), (1648, 403310), (2060, 322648), (2480, 268006), (2602, 255440), (3193, 208160), (3296, 201655), (4120, 161324), (4960, 134003), (5204, 127720), (6386, 104080), (6505, 102176), (8240, 80662), (10408, 63860), (12772, 52040), (13010, 51088), (15965, 41632), (16480, 40331), (20816, 31930), (25544, 26020)]