2640081920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3877}}^1$

素因数の和:3928

約数の個数: 176

約数和(自身を含む): 7620735360

約数和(自身を除く): 4980653440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 665, 760, 896, 1024, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2432, 2560, 2660, 3040, 3584, 3877, 4256, 4480, 4864, 5120, 5320, 6080, 7168, 7754, 8512, 8960, 9728, 10640, 12160, 15508, 17024, 17920, 19385, 19456, 21280, 24320, 27139, 31016, 34048, 35840, 38770, 42560, 48640, 54278, 62032, 68096, 73663, 77540, 85120, 97280, 108556, 124064, 135695, 136192, 147326, 155080, 170240, 217112, 248128, 271390, 294652, 310160, 340480, 368315, 434224, 496256, 515641, 542780, 589304, 620320, 680960, 736630, 868448, 992512, 1031282, 1085560, 1178608, 1240640, 1473260, 1736896, 1985024, 2062564, 2171120, 2357216, 2481280, 2578205, 2946520, 3473792, 3970048, 4125128, 4342240, 4714432, 4962560, 5156410, 5893040, 6947584, 8250256, 8684480, 9428864, 9925120, 10312820, 11786080, 13895168, 16500512, 17368960, 18857728, 19850240, 20625640, 23572160, 27790336, 33001024, 34737920, 37715456, 41251280, 47144320, 66002048, 69475840, 75430912, 82502560, 94288640, 132004096, 138951680, 165005120, 188577280, 264008192, 330010240, 377154560, 528016384, 660020480, 1320040960, 2640081920]

約数ペア:

[(1, 2640081920), (2, 1320040960), (4, 660020480), (5, 528016384), (7, 377154560), (8, 330010240), (10, 264008192), (14, 188577280), (16, 165005120), (19, 138951680), (20, 132004096), (28, 94288640), (32, 82502560), (35, 75430912), (38, 69475840), (40, 66002048), (56, 47144320), (64, 41251280), (70, 37715456), (76, 34737920), (80, 33001024), (95, 27790336), (112, 23572160), (128, 20625640), (133, 19850240), (140, 18857728), (152, 17368960), (160, 16500512), (190, 13895168), (224, 11786080), (256, 10312820), (266, 9925120), (280, 9428864), (304, 8684480), (320, 8250256), (380, 6947584), (448, 5893040), (512, 5156410), (532, 4962560), (560, 4714432), (608, 4342240), (640, 4125128), (665, 3970048), (760, 3473792), (896, 2946520), (1024, 2578205), (1064, 2481280), (1120, 2357216), (1216, 2171120), (1280, 2062564), (1330, 1985024), (1520, 1736896), (1792, 1473260), (2128, 1240640), (2240, 1178608), (2432, 1085560), (2560, 1031282), (2660, 992512), (3040, 868448), (3584, 736630), (3877, 680960), (4256, 620320), (4480, 589304), (4864, 542780), (5120, 515641), (5320, 496256), (6080, 434224), (7168, 368315), (7754, 340480), (8512, 310160), (8960, 294652), (9728, 271390), (10640, 248128), (12160, 217112), (15508, 170240), (17024, 155080), (17920, 147326), (19385, 136192), (19456, 135695), (21280, 124064), (24320, 108556), (27139, 97280), (31016, 85120), (34048, 77540), (35840, 73663), (38770, 68096), (42560, 62032), (48640, 54278)]