1557253890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{11699}}^1$

素因数の和:11761

約数の個数: 128

約数和(自身を含む): 4548960000

約数和(自身を除く): 2991706110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 29, 30, 34, 45, 51, 54, 58, 85, 87, 90, 102, 135, 145, 153, 170, 174, 255, 261, 270, 290, 306, 435, 459, 493, 510, 522, 765, 783, 870, 918, 986, 1305, 1479, 1530, 1566, 2295, 2465, 2610, 2958, 3915, 4437, 4590, 4930, 7395, 7830, 8874, 11699, 13311, 14790, 22185, 23398, 26622, 35097, 44370, 58495, 66555, 70194, 105291, 116990, 133110, 175485, 198883, 210582, 315873, 339271, 350970, 397766, 526455, 596649, 631746, 678542, 994415, 1017813, 1052910, 1193298, 1579365, 1696355, 1789947, 1988830, 2035626, 2983245, 3053439, 3158730, 3392710, 3579894, 5089065, 5369841, 5767607, 5966490, 6106878, 8949735, 9160317, 10178130, 10739682, 11535214, 15267195, 17302821, 17899470, 18320634, 26849205, 28838035, 30534390, 34605642, 45801585, 51908463, 53698410, 57676070, 86514105, 91603170, 103816926, 155725389, 173028210, 259542315, 311450778, 519084630, 778626945, 1557253890]

約数ペア:

[(1, 1557253890), (2, 778626945), (3, 519084630), (5, 311450778), (6, 259542315), (9, 173028210), (10, 155725389), (15, 103816926), (17, 91603170), (18, 86514105), (27, 57676070), (29, 53698410), (30, 51908463), (34, 45801585), (45, 34605642), (51, 30534390), (54, 28838035), (58, 26849205), (85, 18320634), (87, 17899470), (90, 17302821), (102, 15267195), (135, 11535214), (145, 10739682), (153, 10178130), (170, 9160317), (174, 8949735), (255, 6106878), (261, 5966490), (270, 5767607), (290, 5369841), (306, 5089065), (435, 3579894), (459, 3392710), (493, 3158730), (510, 3053439), (522, 2983245), (765, 2035626), (783, 1988830), (870, 1789947), (918, 1696355), (986, 1579365), (1305, 1193298), (1479, 1052910), (1530, 1017813), (1566, 994415), (2295, 678542), (2465, 631746), (2610, 596649), (2958, 526455), (3915, 397766), (4437, 350970), (4590, 339271), (4930, 315873), (7395, 210582), (7830, 198883), (8874, 175485), (11699, 133110), (13311, 116990), (14790, 105291), (22185, 70194), (23398, 66555), (26622, 58495), (35097, 44370)]