242764720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 120

約数和(自身を含む): 641208960

約数和(自身を除く): 398444240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 605, 620, 682, 809, 880, 968, 1210, 1240, 1364, 1618, 1705, 1936, 2420, 2480, 2728, 3236, 3410, 3751, 4045, 4840, 5456, 6472, 6820, 7502, 8090, 8899, 9680, 12944, 13640, 15004, 16180, 17798, 18755, 25079, 27280, 30008, 32360, 35596, 37510, 44495, 50158, 60016, 64720, 71192, 75020, 88990, 97889, 100316, 125395, 142384, 150040, 177980, 195778, 200632, 250790, 275869, 300080, 355960, 391556, 401264, 489445, 501580, 551738, 711920, 783112, 978890, 1003160, 1103476, 1379345, 1566224, 1957780, 2006320, 2206952, 2758690, 3034559, 3915560, 4413904, 5517380, 6069118, 7831120, 11034760, 12138236, 15172795, 22069520, 24276472, 30345590, 48552944, 60691180, 121382360, 242764720]

約数ペア:

[(1, 242764720), (2, 121382360), (4, 60691180), (5, 48552944), (8, 30345590), (10, 24276472), (11, 22069520), (16, 15172795), (20, 12138236), (22, 11034760), (31, 7831120), (40, 6069118), (44, 5517380), (55, 4413904), (62, 3915560), (80, 3034559), (88, 2758690), (110, 2206952), (121, 2006320), (124, 1957780), (155, 1566224), (176, 1379345), (220, 1103476), (242, 1003160), (248, 978890), (310, 783112), (341, 711920), (440, 551738), (484, 501580), (496, 489445), (605, 401264), (620, 391556), (682, 355960), (809, 300080), (880, 275869), (968, 250790), (1210, 200632), (1240, 195778), (1364, 177980), (1618, 150040), (1705, 142384), (1936, 125395), (2420, 100316), (2480, 97889), (2728, 88990), (3236, 75020), (3410, 71192), (3751, 64720), (4045, 60016), (4840, 50158), (5456, 44495), (6472, 37510), (6820, 35596), (7502, 32360), (8090, 30008), (8899, 27280), (9680, 25079), (12944, 18755), (13640, 17798), (15004, 16180)]