12980760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 43001280

約数和(自身を除く): 30020520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 157, 159, 195, 212, 260, 265, 312, 314, 318, 390, 424, 471, 520, 530, 628, 636, 689, 780, 785, 795, 942, 1060, 1256, 1272, 1378, 1560, 1570, 1590, 1884, 2041, 2067, 2120, 2355, 2756, 3140, 3180, 3445, 3768, 4082, 4134, 4710, 5512, 6123, 6280, 6360, 6890, 8164, 8268, 8321, 9420, 10205, 10335, 12246, 13780, 16328, 16536, 16642, 18840, 20410, 20670, 24492, 24963, 27560, 30615, 33284, 40820, 41340, 41605, 48984, 49926, 61230, 66568, 81640, 82680, 83210, 99852, 108173, 122460, 124815, 166420, 199704, 216346, 244920, 249630, 324519, 332840, 432692, 499260, 540865, 649038, 865384, 998520, 1081730, 1298076, 1622595, 2163460, 2596152, 3245190, 4326920, 6490380, 12980760]

約数ペア:

[(1, 12980760), (2, 6490380), (3, 4326920), (4, 3245190), (5, 2596152), (6, 2163460), (8, 1622595), (10, 1298076), (12, 1081730), (13, 998520), (15, 865384), (20, 649038), (24, 540865), (26, 499260), (30, 432692), (39, 332840), (40, 324519), (52, 249630), (53, 244920), (60, 216346), (65, 199704), (78, 166420), (104, 124815), (106, 122460), (120, 108173), (130, 99852), (156, 83210), (157, 82680), (159, 81640), (195, 66568), (212, 61230), (260, 49926), (265, 48984), (312, 41605), (314, 41340), (318, 40820), (390, 33284), (424, 30615), (471, 27560), (520, 24963), (530, 24492), (628, 20670), (636, 20410), (689, 18840), (780, 16642), (785, 16536), (795, 16328), (942, 13780), (1060, 12246), (1256, 10335), (1272, 10205), (1378, 9420), (1560, 8321), (1570, 8268), (1590, 8164), (1884, 6890), (2041, 6360), (2067, 6280), (2120, 6123), (2355, 5512), (2756, 4710), (3140, 4134), (3180, 4082), (3445, 3768)]