128205920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 321965280

約数和(自身を除く): 193759360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 181, 190, 233, 304, 362, 380, 466, 608, 724, 760, 905, 932, 1165, 1448, 1520, 1810, 1864, 2330, 2896, 3040, 3439, 3620, 3728, 4427, 4660, 5792, 6878, 7240, 7456, 8854, 9320, 13756, 14480, 17195, 17708, 18640, 22135, 27512, 28960, 34390, 35416, 37280, 42173, 44270, 55024, 68780, 70832, 84346, 88540, 110048, 137560, 141664, 168692, 177080, 210865, 275120, 337384, 354160, 421730, 550240, 674768, 708320, 801287, 843460, 1349536, 1602574, 1686920, 3205148, 3373840, 4006435, 6410296, 6747680, 8012870, 12820592, 16025740, 25641184, 32051480, 64102960, 128205920]

約数ペア:

[(1, 128205920), (2, 64102960), (4, 32051480), (5, 25641184), (8, 16025740), (10, 12820592), (16, 8012870), (19, 6747680), (20, 6410296), (32, 4006435), (38, 3373840), (40, 3205148), (76, 1686920), (80, 1602574), (95, 1349536), (152, 843460), (160, 801287), (181, 708320), (190, 674768), (233, 550240), (304, 421730), (362, 354160), (380, 337384), (466, 275120), (608, 210865), (724, 177080), (760, 168692), (905, 141664), (932, 137560), (1165, 110048), (1448, 88540), (1520, 84346), (1810, 70832), (1864, 68780), (2330, 55024), (2896, 44270), (3040, 42173), (3439, 37280), (3620, 35416), (3728, 34390), (4427, 28960), (4660, 27512), (5792, 22135), (6878, 18640), (7240, 17708), (7456, 17195), (8854, 14480), (9320, 13756)]