119440640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 331128000

約数和(自身を除く): 211687360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 256, 272, 320, 340, 352, 374, 440, 499, 544, 640, 680, 704, 748, 880, 935, 998, 1088, 1280, 1360, 1408, 1496, 1760, 1870, 1996, 2176, 2495, 2720, 2816, 2992, 3520, 3740, 3992, 4352, 4990, 5440, 5489, 5984, 7040, 7480, 7984, 8483, 9980, 10880, 10978, 11968, 14080, 14960, 15968, 16966, 19960, 21760, 21956, 23936, 27445, 29920, 31936, 33932, 39920, 42415, 43912, 47872, 54890, 59840, 63872, 67864, 79840, 84830, 87824, 93313, 109780, 119680, 127744, 135728, 159680, 169660, 175648, 186626, 219560, 239360, 271456, 319360, 339320, 351296, 373252, 439120, 466565, 542912, 638720, 678640, 702592, 746504, 878240, 933130, 1085824, 1357280, 1405184, 1493008, 1756480, 1866260, 2171648, 2714560, 2986016, 3512960, 3732520, 5429120, 5972032, 7025920, 7465040, 10858240, 11944064, 14930080, 23888128, 29860160, 59720320, 119440640]

約数ペア:

[(1, 119440640), (2, 59720320), (4, 29860160), (5, 23888128), (8, 14930080), (10, 11944064), (11, 10858240), (16, 7465040), (17, 7025920), (20, 5972032), (22, 5429120), (32, 3732520), (34, 3512960), (40, 2986016), (44, 2714560), (55, 2171648), (64, 1866260), (68, 1756480), (80, 1493008), (85, 1405184), (88, 1357280), (110, 1085824), (128, 933130), (136, 878240), (160, 746504), (170, 702592), (176, 678640), (187, 638720), (220, 542912), (256, 466565), (272, 439120), (320, 373252), (340, 351296), (352, 339320), (374, 319360), (440, 271456), (499, 239360), (544, 219560), (640, 186626), (680, 175648), (704, 169660), (748, 159680), (880, 135728), (935, 127744), (998, 119680), (1088, 109780), (1280, 93313), (1360, 87824), (1408, 84830), (1496, 79840), (1760, 67864), (1870, 63872), (1996, 59840), (2176, 54890), (2495, 47872), (2720, 43912), (2816, 42415), (2992, 39920), (3520, 33932), (3740, 31936), (3992, 29920), (4352, 27445), (4990, 23936), (5440, 21956), (5489, 21760), (5984, 19960), (7040, 16966), (7480, 15968), (7984, 14960), (8483, 14080), (9980, 11968), (10880, 10978)]