331465640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1351

約数の個数: 128

約数和(自身を含む): 884736000

約数和(自身を除く): 553270360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 310, 341, 380, 418, 440, 589, 620, 682, 760, 836, 1045, 1178, 1240, 1279, 1364, 1672, 1705, 2090, 2356, 2558, 2728, 2945, 3410, 4180, 4712, 5116, 5890, 6395, 6479, 6820, 8360, 10232, 11780, 12790, 12958, 13640, 14069, 23560, 24301, 25580, 25916, 28138, 32395, 39649, 48602, 51160, 51832, 56276, 64790, 70345, 79298, 97204, 112552, 121505, 129580, 140690, 158596, 194408, 198245, 243010, 259160, 267311, 281380, 317192, 396490, 436139, 486020, 534622, 562760, 753331, 792980, 872278, 972040, 1069244, 1336555, 1506662, 1585960, 1744556, 2138488, 2180695, 2673110, 3013324, 3489112, 3766655, 4361390, 5346220, 6026648, 7533310, 8286641, 8722780, 10692440, 15066620, 16573282, 17445560, 30133240, 33146564, 41433205, 66293128, 82866410, 165732820, 331465640]

約数ペア:

[(1, 331465640), (2, 165732820), (4, 82866410), (5, 66293128), (8, 41433205), (10, 33146564), (11, 30133240), (19, 17445560), (20, 16573282), (22, 15066620), (31, 10692440), (38, 8722780), (40, 8286641), (44, 7533310), (55, 6026648), (62, 5346220), (76, 4361390), (88, 3766655), (95, 3489112), (110, 3013324), (124, 2673110), (152, 2180695), (155, 2138488), (190, 1744556), (209, 1585960), (220, 1506662), (248, 1336555), (310, 1069244), (341, 972040), (380, 872278), (418, 792980), (440, 753331), (589, 562760), (620, 534622), (682, 486020), (760, 436139), (836, 396490), (1045, 317192), (1178, 281380), (1240, 267311), (1279, 259160), (1364, 243010), (1672, 198245), (1705, 194408), (2090, 158596), (2356, 140690), (2558, 129580), (2728, 121505), (2945, 112552), (3410, 97204), (4180, 79298), (4712, 70345), (5116, 64790), (5890, 56276), (6395, 51832), (6479, 51160), (6820, 48602), (8360, 39649), (10232, 32395), (11780, 28138), (12790, 25916), (12958, 25580), (13640, 24301), (14069, 23560)]