2115750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 128

約数和(自身を含む): 6709248

約数和(自身を除く): 4593498

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 31, 35, 39, 42, 50, 62, 65, 70, 75, 78, 91, 93, 105, 125, 130, 150, 155, 175, 182, 186, 195, 210, 217, 250, 273, 310, 325, 350, 375, 390, 403, 434, 455, 465, 525, 546, 650, 651, 750, 775, 806, 875, 910, 930, 975, 1050, 1085, 1209, 1302, 1365, 1550, 1625, 1750, 1950, 2015, 2170, 2275, 2325, 2418, 2625, 2730, 2821, 3250, 3255, 3875, 4030, 4550, 4650, 4875, 5250, 5425, 5642, 6045, 6510, 6825, 7750, 8463, 9750, 10075, 10850, 11375, 11625, 12090, 13650, 14105, 16275, 16926, 20150, 22750, 23250, 27125, 28210, 30225, 32550, 34125, 42315, 50375, 54250, 60450, 68250, 70525, 81375, 84630, 100750, 141050, 151125, 162750, 211575, 302250, 352625, 423150, 705250, 1057875, 2115750]

約数ペア:

[(1, 2115750), (2, 1057875), (3, 705250), (5, 423150), (6, 352625), (7, 302250), (10, 211575), (13, 162750), (14, 151125), (15, 141050), (21, 100750), (25, 84630), (26, 81375), (30, 70525), (31, 68250), (35, 60450), (39, 54250), (42, 50375), (50, 42315), (62, 34125), (65, 32550), (70, 30225), (75, 28210), (78, 27125), (91, 23250), (93, 22750), (105, 20150), (125, 16926), (130, 16275), (150, 14105), (155, 13650), (175, 12090), (182, 11625), (186, 11375), (195, 10850), (210, 10075), (217, 9750), (250, 8463), (273, 7750), (310, 6825), (325, 6510), (350, 6045), (375, 5642), (390, 5425), (403, 5250), (434, 4875), (455, 4650), (465, 4550), (525, 4030), (546, 3875), (650, 3255), (651, 3250), (750, 2821), (775, 2730), (806, 2625), (875, 2418), (910, 2325), (930, 2275), (975, 2170), (1050, 2015), (1085, 1950), (1209, 1750), (1302, 1625), (1365, 1550)]