65589900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 205820160

約数和(自身を除く): 140230260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 37, 38, 50, 57, 60, 74, 75, 76, 95, 100, 111, 114, 148, 150, 185, 190, 222, 228, 285, 300, 311, 370, 380, 444, 475, 555, 570, 622, 703, 740, 925, 933, 950, 1110, 1140, 1244, 1406, 1425, 1555, 1850, 1866, 1900, 2109, 2220, 2775, 2812, 2850, 3110, 3515, 3700, 3732, 4218, 4665, 5550, 5700, 5909, 6220, 7030, 7775, 8436, 9330, 10545, 11100, 11507, 11818, 14060, 15550, 17575, 17727, 18660, 21090, 23014, 23325, 23636, 29545, 31100, 34521, 35150, 35454, 42180, 46028, 46650, 52725, 57535, 59090, 69042, 70300, 70908, 88635, 93300, 105450, 115070, 118180, 138084, 147725, 172605, 177270, 210900, 218633, 230140, 287675, 295450, 345210, 354540, 437266, 443175, 575350, 590900, 655899, 690420, 863025, 874532, 886350, 1093165, 1150700, 1311798, 1726050, 1772700, 2186330, 2623596, 3279495, 3452100, 4372660, 5465825, 6558990, 10931650, 13117980, 16397475, 21863300, 32794950, 65589900]

約数ペア:

[(1, 65589900), (2, 32794950), (3, 21863300), (4, 16397475), (5, 13117980), (6, 10931650), (10, 6558990), (12, 5465825), (15, 4372660), (19, 3452100), (20, 3279495), (25, 2623596), (30, 2186330), (37, 1772700), (38, 1726050), (50, 1311798), (57, 1150700), (60, 1093165), (74, 886350), (75, 874532), (76, 863025), (95, 690420), (100, 655899), (111, 590900), (114, 575350), (148, 443175), (150, 437266), (185, 354540), (190, 345210), (222, 295450), (228, 287675), (285, 230140), (300, 218633), (311, 210900), (370, 177270), (380, 172605), (444, 147725), (475, 138084), (555, 118180), (570, 115070), (622, 105450), (703, 93300), (740, 88635), (925, 70908), (933, 70300), (950, 69042), (1110, 59090), (1140, 57535), (1244, 52725), (1406, 46650), (1425, 46028), (1555, 42180), (1850, 35454), (1866, 35150), (1900, 34521), (2109, 31100), (2220, 29545), (2775, 23636), (2812, 23325), (2850, 23014), (3110, 21090), (3515, 18660), (3700, 17727), (3732, 17575), (4218, 15550), (4665, 14060), (5550, 11818), (5700, 11507), (5909, 11100), (6220, 10545), (7030, 9330), (7775, 8436)]