120900000

素因数分解:

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

素因数の和:82

約数の個数: 288

約数和(自身を含む): 440971776

約数和(自身を除く): 320071776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 31, 32, 39, 40, 48, 50, 52, 60, 62, 65, 75, 78, 80, 93, 96, 100, 104, 120, 124, 125, 130, 150, 155, 156, 160, 186, 195, 200, 208, 240, 248, 250, 260, 300, 310, 312, 325, 372, 375, 390, 400, 403, 416, 465, 480, 496, 500, 520, 600, 620, 624, 625, 650, 744, 750, 775, 780, 800, 806, 930, 975, 992, 1000, 1040, 1200, 1209, 1240, 1248, 1250, 1300, 1488, 1500, 1550, 1560, 1612, 1625, 1860, 1875, 1950, 2000, 2015, 2080, 2325, 2400, 2418, 2480, 2500, 2600, 2976, 3000, 3100, 3120, 3125, 3224, 3250, 3720, 3750, 3875, 3900, 4000, 4030, 4650, 4836, 4875, 4960, 5000, 5200, 6000, 6045, 6200, 6240, 6250, 6448, 6500, 7440, 7500, 7750, 7800, 8060, 8125, 9300, 9375, 9672, 9750, 10000, 10075, 10400, 11625, 12000, 12090, 12400, 12500, 12896, 13000, 14880, 15000, 15500, 15600, 16120, 16250, 18600, 18750, 19344, 19375, 19500, 20000, 20150, 23250, 24180, 24375, 24800, 25000, 26000, 30000, 30225, 31000, 31200, 32240, 32500, 37200, 37500, 38688, 38750, 39000, 40300, 40625, 46500, 48360, 48750, 50000, 50375, 52000, 58125, 60000, 60450, 62000, 64480, 65000, 74400, 75000, 77500, 78000, 80600, 81250, 93000, 96720, 96875, 97500, 100000, 100750, 116250, 120900, 121875, 124000, 130000, 150000, 151125, 155000, 156000, 161200, 162500, 186000, 193440, 193750, 195000, 201500, 232500, 241800, 243750, 251875, 260000, 290625, 300000, 302250, 310000, 322400, 325000, 372000, 387500, 390000, 403000, 465000, 483600, 487500, 503750, 581250, 604500, 620000, 650000, 755625, 775000, 780000, 806000, 930000, 967200, 975000, 1007500, 1162500, 1209000, 1259375, 1300000, 1511250, 1550000, 1612000, 1860000, 1950000, 2015000, 2325000, 2418000, 2518750, 3022500, 3100000, 3778125, 3900000, 4030000, 4650000, 4836000, 5037500, 6045000, 7556250, 8060000, 9300000, 10075000, 12090000, 15112500, 20150000, 24180000, 30225000, 40300000, 60450000, 120900000]

約数ペア:

[(1, 120900000), (2, 60450000), (3, 40300000), (4, 30225000), (5, 24180000), (6, 20150000), (8, 15112500), (10, 12090000), (12, 10075000), (13, 9300000), (15, 8060000), (16, 7556250), (20, 6045000), (24, 5037500), (25, 4836000), (26, 4650000), (30, 4030000), (31, 3900000), (32, 3778125), (39, 3100000), (40, 3022500), (48, 2518750), (50, 2418000), (52, 2325000), (60, 2015000), (62, 1950000), (65, 1860000), (75, 1612000), (78, 1550000), (80, 1511250), (93, 1300000), (96, 1259375), (100, 1209000), (104, 1162500), (120, 1007500), (124, 975000), (125, 967200), (130, 930000), (150, 806000), (155, 780000), (156, 775000), (160, 755625), (186, 650000), (195, 620000), (200, 604500), (208, 581250), (240, 503750), (248, 487500), (250, 483600), (260, 465000), (300, 403000), (310, 390000), (312, 387500), (325, 372000), (372, 325000), (375, 322400), (390, 310000), (400, 302250), (403, 300000), (416, 290625), (465, 260000), (480, 251875), (496, 243750), (500, 241800), (520, 232500), (600, 201500), (620, 195000), (624, 193750), (625, 193440), (650, 186000), (744, 162500), (750, 161200), (775, 156000), (780, 155000), (800, 151125), (806, 150000), (930, 130000), (975, 124000), (992, 121875), (1000, 120900), (1040, 116250), (1200, 100750), (1209, 100000), (1240, 97500), (1248, 96875), (1250, 96720), (1300, 93000), (1488, 81250), (1500, 80600), (1550, 78000), (1560, 77500), (1612, 75000), (1625, 74400), (1860, 65000), (1875, 64480), (1950, 62000), (2000, 60450), (2015, 60000), (2080, 58125), (2325, 52000), (2400, 50375), (2418, 50000), (2480, 48750), (2500, 48360), (2600, 46500), (2976, 40625), (3000, 40300), (3100, 39000), (3120, 38750), (3125, 38688), (3224, 37500), (3250, 37200), (3720, 32500), (3750, 32240), (3875, 31200), (3900, 31000), (4000, 30225), (4030, 30000), (4650, 26000), (4836, 25000), (4875, 24800), (4960, 24375), (5000, 24180), (5200, 23250), (6000, 20150), (6045, 20000), (6200, 19500), (6240, 19375), (6250, 19344), (6448, 18750), (6500, 18600), (7440, 16250), (7500, 16120), (7750, 15600), (7800, 15500), (8060, 15000), (8125, 14880), (9300, 13000), (9375, 12896), (9672, 12500), (9750, 12400), (10000, 12090), (10075, 12000), (10400, 11625)]