1489654880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1037

約数の個数: 144

約数和(自身を含む): 4115630736

約数和(自身を除く): 2625975856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 251, 280, 392, 490, 502, 560, 757, 784, 980, 1004, 1120, 1255, 1514, 1568, 1757, 1960, 2008, 2510, 3028, 3514, 3785, 3920, 4016, 5020, 5299, 6056, 7028, 7570, 7840, 8032, 8785, 10040, 10598, 12112, 12299, 14056, 15140, 17570, 20080, 21196, 24224, 24598, 26495, 28112, 30280, 35140, 37093, 40160, 42392, 49196, 52990, 56224, 60560, 61495, 70280, 74186, 84784, 98392, 105980, 121120, 122990, 140560, 148372, 169568, 185465, 190007, 196784, 211960, 245980, 281120, 296744, 370930, 380014, 393568, 423920, 491960, 593488, 741860, 760028, 847840, 950035, 983920, 1186976, 1330049, 1483720, 1520056, 1900070, 1967840, 2660098, 2967440, 3040112, 3800140, 5320196, 5934880, 6080224, 6650245, 7600280, 9310343, 10640392, 13300490, 15200560, 18620686, 21280784, 26600980, 30401120, 37241372, 42561568, 46551715, 53201960, 74482744, 93103430, 106403920, 148965488, 186206860, 212807840, 297930976, 372413720, 744827440, 1489654880]

約数ペア:

[(1, 1489654880), (2, 744827440), (4, 372413720), (5, 297930976), (7, 212807840), (8, 186206860), (10, 148965488), (14, 106403920), (16, 93103430), (20, 74482744), (28, 53201960), (32, 46551715), (35, 42561568), (40, 37241372), (49, 30401120), (56, 26600980), (70, 21280784), (80, 18620686), (98, 15200560), (112, 13300490), (140, 10640392), (160, 9310343), (196, 7600280), (224, 6650245), (245, 6080224), (251, 5934880), (280, 5320196), (392, 3800140), (490, 3040112), (502, 2967440), (560, 2660098), (757, 1967840), (784, 1900070), (980, 1520056), (1004, 1483720), (1120, 1330049), (1255, 1186976), (1514, 983920), (1568, 950035), (1757, 847840), (1960, 760028), (2008, 741860), (2510, 593488), (3028, 491960), (3514, 423920), (3785, 393568), (3920, 380014), (4016, 370930), (5020, 296744), (5299, 281120), (6056, 245980), (7028, 211960), (7570, 196784), (7840, 190007), (8032, 185465), (8785, 169568), (10040, 148372), (10598, 140560), (12112, 122990), (12299, 121120), (14056, 105980), (15140, 98392), (17570, 84784), (20080, 74186), (21196, 70280), (24224, 61495), (24598, 60560), (26495, 56224), (28112, 52990), (30280, 49196), (35140, 42392), (37093, 40160)]