217958520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4507}}^1$

素因数の和:4565

約数の個数: 128

約数和(自身を含む): 727050240

約数和(自身を除く): 509091720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4507, 4836, 6045, 8060, 9014, 9672, 12090, 13521, 16120, 18028, 22535, 24180, 27042, 36056, 45070, 48360, 54084, 58591, 67605, 90140, 108168, 117182, 135210, 139717, 175773, 180280, 234364, 270420, 279434, 292955, 351546, 419151, 468728, 540840, 558868, 585910, 698585, 703092, 838302, 878865, 1117736, 1171820, 1397170, 1406184, 1676604, 1757730, 1816321, 2095755, 2343640, 2794340, 3353208, 3515460, 3632642, 4191510, 5448963, 5588680, 7030920, 7265284, 8383020, 9081605, 10897926, 14530568, 16766040, 18163210, 21795852, 27244815, 36326420, 43591704, 54489630, 72652840, 108979260, 217958520]

約数ペア:

[(1, 217958520), (2, 108979260), (3, 72652840), (4, 54489630), (5, 43591704), (6, 36326420), (8, 27244815), (10, 21795852), (12, 18163210), (13, 16766040), (15, 14530568), (20, 10897926), (24, 9081605), (26, 8383020), (30, 7265284), (31, 7030920), (39, 5588680), (40, 5448963), (52, 4191510), (60, 3632642), (62, 3515460), (65, 3353208), (78, 2794340), (93, 2343640), (104, 2095755), (120, 1816321), (124, 1757730), (130, 1676604), (155, 1406184), (156, 1397170), (186, 1171820), (195, 1117736), (248, 878865), (260, 838302), (310, 703092), (312, 698585), (372, 585910), (390, 558868), (403, 540840), (465, 468728), (520, 419151), (620, 351546), (744, 292955), (780, 279434), (806, 270420), (930, 234364), (1209, 180280), (1240, 175773), (1560, 139717), (1612, 135210), (1860, 117182), (2015, 108168), (2418, 90140), (3224, 67605), (3720, 58591), (4030, 54084), (4507, 48360), (4836, 45070), (6045, 36056), (8060, 27042), (9014, 24180), (9672, 22535), (12090, 18028), (13521, 16120)]