1921665480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{3079}}^1$

素因数の和:3843

約数の個数: 128

約数和(自身を含む): 6599577600

約数和(自身を除く): 4677912120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 743, 840, 1486, 2229, 2972, 3079, 3715, 4458, 5201, 5944, 6158, 7430, 8916, 9237, 10402, 11145, 12316, 14860, 15395, 15603, 17832, 18474, 20804, 21553, 22290, 24632, 26005, 29720, 30790, 31206, 36948, 41608, 43106, 44580, 46185, 52010, 61580, 62412, 64659, 73896, 78015, 86212, 89160, 92370, 104020, 107765, 123160, 124824, 129318, 156030, 172424, 184740, 208040, 215530, 258636, 312060, 323295, 369480, 431060, 517272, 624120, 646590, 862120, 1293180, 2287697, 2586360, 4575394, 6863091, 9150788, 11438485, 13726182, 16013879, 18301576, 22876970, 27452364, 32027758, 34315455, 45753940, 48041637, 54904728, 64055516, 68630910, 80069395, 91507880, 96083274, 128111032, 137261820, 160138790, 192166548, 240208185, 274523640, 320277580, 384333096, 480416370, 640555160, 960832740, 1921665480]

約数ペア:

[(1, 1921665480), (2, 960832740), (3, 640555160), (4, 480416370), (5, 384333096), (6, 320277580), (7, 274523640), (8, 240208185), (10, 192166548), (12, 160138790), (14, 137261820), (15, 128111032), (20, 96083274), (21, 91507880), (24, 80069395), (28, 68630910), (30, 64055516), (35, 54904728), (40, 48041637), (42, 45753940), (56, 34315455), (60, 32027758), (70, 27452364), (84, 22876970), (105, 18301576), (120, 16013879), (140, 13726182), (168, 11438485), (210, 9150788), (280, 6863091), (420, 4575394), (743, 2586360), (840, 2287697), (1486, 1293180), (2229, 862120), (2972, 646590), (3079, 624120), (3715, 517272), (4458, 431060), (5201, 369480), (5944, 323295), (6158, 312060), (7430, 258636), (8916, 215530), (9237, 208040), (10402, 184740), (11145, 172424), (12316, 156030), (14860, 129318), (15395, 124824), (15603, 123160), (17832, 107765), (18474, 104020), (20804, 92370), (21553, 89160), (22290, 86212), (24632, 78015), (26005, 73896), (29720, 64659), (30790, 62412), (31206, 61580), (36948, 52010), (41608, 46185), (43106, 44580)]