856278280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 2359526400

約数和(自身を除く): 1503248120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 121, 124, 130, 143, 155, 220, 242, 248, 260, 286, 310, 341, 403, 439, 440, 484, 520, 572, 605, 620, 682, 715, 806, 878, 968, 1144, 1210, 1240, 1364, 1430, 1573, 1612, 1705, 1756, 2015, 2195, 2420, 2728, 2860, 3146, 3224, 3410, 3512, 3751, 4030, 4390, 4433, 4829, 4840, 5707, 5720, 6292, 6820, 7502, 7865, 8060, 8780, 8866, 9658, 11414, 12584, 13609, 13640, 15004, 15730, 16120, 17560, 17732, 18755, 19316, 22165, 22828, 24145, 27218, 28535, 30008, 31460, 35464, 37510, 38632, 44330, 45656, 48290, 48763, 53119, 54436, 57070, 62777, 62920, 68045, 75020, 88660, 96580, 97526, 106238, 108872, 114140, 125554, 136090, 149699, 150040, 176917, 177320, 193160, 195052, 212476, 228280, 243815, 251108, 265595, 272180, 299398, 313885, 353834, 390104, 424952, 487630, 502216, 531190, 544360, 598796, 627770, 690547, 707668, 748495, 884585, 975260, 1062380, 1197592, 1255540, 1381094, 1415336, 1496990, 1646689, 1769170, 1946087, 1950520, 2124760, 2511080, 2762188, 2993980, 3293378, 3452735, 3538340, 3892174, 5524376, 5987960, 6586756, 6905470, 7076680, 7784348, 8233445, 9730435, 13173512, 13810940, 15568696, 16466890, 19460870, 21406957, 27621880, 32933780, 38921740, 42813914, 65867560, 77843480, 85627828, 107034785, 171255656, 214069570, 428139140, 856278280]

約数ペア:

[(1, 856278280), (2, 428139140), (4, 214069570), (5, 171255656), (8, 107034785), (10, 85627828), (11, 77843480), (13, 65867560), (20, 42813914), (22, 38921740), (26, 32933780), (31, 27621880), (40, 21406957), (44, 19460870), (52, 16466890), (55, 15568696), (62, 13810940), (65, 13173512), (88, 9730435), (104, 8233445), (110, 7784348), (121, 7076680), (124, 6905470), (130, 6586756), (143, 5987960), (155, 5524376), (220, 3892174), (242, 3538340), (248, 3452735), (260, 3293378), (286, 2993980), (310, 2762188), (341, 2511080), (403, 2124760), (439, 1950520), (440, 1946087), (484, 1769170), (520, 1646689), (572, 1496990), (605, 1415336), (620, 1381094), (682, 1255540), (715, 1197592), (806, 1062380), (878, 975260), (968, 884585), (1144, 748495), (1210, 707668), (1240, 690547), (1364, 627770), (1430, 598796), (1573, 544360), (1612, 531190), (1705, 502216), (1756, 487630), (2015, 424952), (2195, 390104), (2420, 353834), (2728, 313885), (2860, 299398), (3146, 272180), (3224, 265595), (3410, 251108), (3512, 243815), (3751, 228280), (4030, 212476), (4390, 195052), (4433, 193160), (4829, 177320), (4840, 176917), (5707, 150040), (5720, 149699), (6292, 136090), (6820, 125554), (7502, 114140), (7865, 108872), (8060, 106238), (8780, 97526), (8866, 96580), (9658, 88660), (11414, 75020), (12584, 68045), (13609, 62920), (13640, 62777), (15004, 57070), (15730, 54436), (16120, 53119), (17560, 48763), (17732, 48290), (18755, 45656), (19316, 44330), (22165, 38632), (22828, 37510), (24145, 35464), (27218, 31460), (28535, 30008)]