131445972040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1\times {\mathrm{673}}^1$

素因数の和:1427

約数の個数: 128

約数和(自身を含む): 304044904800

約数和(自身を除く): 172598932760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 181, 212, 265, 362, 424, 509, 530, 673, 724, 905, 1018, 1060, 1346, 1448, 1810, 2036, 2120, 2545, 2692, 3365, 3620, 4072, 5090, 5384, 6730, 7240, 9593, 10180, 13460, 19186, 20360, 26920, 26977, 35669, 38372, 47965, 53954, 71338, 76744, 92129, 95930, 107908, 121813, 134885, 142676, 178345, 184258, 191860, 215816, 243626, 269770, 285352, 342557, 356690, 368516, 383720, 460645, 487252, 539540, 609065, 685114, 713380, 737032, 921290, 974504, 1079080, 1218130, 1370228, 1426760, 1712785, 1842580, 2436260, 2740456, 3425570, 3685160, 4872520, 4882837, 6456089, 6851140, 9765674, 12912178, 13702280, 18155521, 19531348, 24414185, 25824356, 32280445, 36311042, 39062696, 48828370, 51648712, 62002817, 64560890, 72622084, 90777605, 97656740, 124005634, 129121780, 145244168, 181555210, 195313480, 248011268, 258243560, 310014085, 363110420, 496022536, 620028170, 726220840, 1240056340, 2480112680, 3286149301, 6572298602, 13144597204, 16430746505, 26289194408, 32861493010, 65722986020, 131445972040]

約数ペア:

[(1, 131445972040), (2, 65722986020), (4, 32861493010), (5, 26289194408), (8, 16430746505), (10, 13144597204), (20, 6572298602), (40, 3286149301), (53, 2480112680), (106, 1240056340), (181, 726220840), (212, 620028170), (265, 496022536), (362, 363110420), (424, 310014085), (509, 258243560), (530, 248011268), (673, 195313480), (724, 181555210), (905, 145244168), (1018, 129121780), (1060, 124005634), (1346, 97656740), (1448, 90777605), (1810, 72622084), (2036, 64560890), (2120, 62002817), (2545, 51648712), (2692, 48828370), (3365, 39062696), (3620, 36311042), (4072, 32280445), (5090, 25824356), (5384, 24414185), (6730, 19531348), (7240, 18155521), (9593, 13702280), (10180, 12912178), (13460, 9765674), (19186, 6851140), (20360, 6456089), (26920, 4882837), (26977, 4872520), (35669, 3685160), (38372, 3425570), (47965, 2740456), (53954, 2436260), (71338, 1842580), (76744, 1712785), (92129, 1426760), (95930, 1370228), (107908, 1218130), (121813, 1079080), (134885, 974504), (142676, 921290), (178345, 737032), (184258, 713380), (191860, 685114), (215816, 609065), (243626, 539540), (269770, 487252), (285352, 460645), (342557, 383720), (356690, 368516)]