12971340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 43479072

約数和(自身を除く): 30507732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 157, 162, 170, 180, 204, 243, 255, 270, 306, 314, 324, 340, 405, 459, 471, 486, 510, 540, 612, 628, 765, 785, 810, 918, 942, 972, 1020, 1215, 1377, 1413, 1530, 1570, 1620, 1836, 1884, 2295, 2355, 2430, 2669, 2754, 2826, 3060, 3140, 4131, 4239, 4590, 4710, 4860, 5338, 5508, 5652, 6885, 7065, 8007, 8262, 8478, 9180, 9420, 10676, 12717, 13345, 13770, 14130, 16014, 16524, 16956, 20655, 21195, 24021, 25434, 26690, 27540, 28260, 32028, 38151, 40035, 41310, 42390, 48042, 50868, 53380, 63585, 72063, 76302, 80070, 82620, 84780, 96084, 120105, 127170, 144126, 152604, 160140, 190755, 216189, 240210, 254340, 288252, 360315, 381510, 432378, 480420, 648567, 720630, 763020, 864756, 1080945, 1297134, 1441260, 2161890, 2594268, 3242835, 4323780, 6485670, 12971340]

約数ペア:

[(1, 12971340), (2, 6485670), (3, 4323780), (4, 3242835), (5, 2594268), (6, 2161890), (9, 1441260), (10, 1297134), (12, 1080945), (15, 864756), (17, 763020), (18, 720630), (20, 648567), (27, 480420), (30, 432378), (34, 381510), (36, 360315), (45, 288252), (51, 254340), (54, 240210), (60, 216189), (68, 190755), (81, 160140), (85, 152604), (90, 144126), (102, 127170), (108, 120105), (135, 96084), (153, 84780), (157, 82620), (162, 80070), (170, 76302), (180, 72063), (204, 63585), (243, 53380), (255, 50868), (270, 48042), (306, 42390), (314, 41310), (324, 40035), (340, 38151), (405, 32028), (459, 28260), (471, 27540), (486, 26690), (510, 25434), (540, 24021), (612, 21195), (628, 20655), (765, 16956), (785, 16524), (810, 16014), (918, 14130), (942, 13770), (972, 13345), (1020, 12717), (1215, 10676), (1377, 9420), (1413, 9180), (1530, 8478), (1570, 8262), (1620, 8007), (1836, 7065), (1884, 6885), (2295, 5652), (2355, 5508), (2430, 5338), (2669, 4860), (2754, 4710), (2826, 4590), (3060, 4239), (3140, 4131)]