1338968960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17581}}^1$

素因数の和:17624

約数の個数: 128

約数和(自身を含む): 3873666240

約数和(自身を除く): 2534697280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5440, 7616, 9520, 10880, 15232, 17581, 19040, 35162, 38080, 70324, 76160, 87905, 123067, 140648, 175810, 246134, 281296, 298877, 351620, 492268, 562592, 597754, 615335, 703240, 984536, 1125184, 1195508, 1230670, 1406480, 1494385, 1969072, 2092139, 2250368, 2391016, 2461340, 2812960, 2988770, 3938144, 4184278, 4782032, 4922680, 5625920, 5977540, 7876288, 8368556, 9564064, 9845360, 10460695, 11251840, 11955080, 15752576, 16737112, 19128128, 19690720, 20921390, 23910160, 33474224, 38256256, 39381440, 41842780, 47820320, 66948448, 78762880, 83685560, 95640640, 133896896, 167371120, 191281280, 267793792, 334742240, 669484480, 1338968960]

約数ペア:

[(1, 1338968960), (2, 669484480), (4, 334742240), (5, 267793792), (7, 191281280), (8, 167371120), (10, 133896896), (14, 95640640), (16, 83685560), (17, 78762880), (20, 66948448), (28, 47820320), (32, 41842780), (34, 39381440), (35, 38256256), (40, 33474224), (56, 23910160), (64, 20921390), (68, 19690720), (70, 19128128), (80, 16737112), (85, 15752576), (112, 11955080), (119, 11251840), (128, 10460695), (136, 9845360), (140, 9564064), (160, 8368556), (170, 7876288), (224, 5977540), (238, 5625920), (272, 4922680), (280, 4782032), (320, 4184278), (340, 3938144), (448, 2988770), (476, 2812960), (544, 2461340), (560, 2391016), (595, 2250368), (640, 2092139), (680, 1969072), (896, 1494385), (952, 1406480), (1088, 1230670), (1120, 1195508), (1190, 1125184), (1360, 984536), (1904, 703240), (2176, 615335), (2240, 597754), (2380, 562592), (2720, 492268), (3808, 351620), (4480, 298877), (4760, 281296), (5440, 246134), (7616, 175810), (9520, 140648), (10880, 123067), (15232, 87905), (17581, 76160), (19040, 70324), (35162, 38080)]