71451900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 216

約数和(自身を含む): 250233984

約数和(自身を除く): 178782084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 31, 36, 39, 45, 50, 52, 60, 62, 65, 75, 78, 90, 93, 100, 117, 124, 130, 150, 155, 156, 180, 186, 195, 197, 225, 234, 260, 279, 300, 310, 325, 372, 390, 394, 403, 450, 465, 468, 558, 585, 591, 620, 650, 775, 780, 788, 806, 900, 930, 975, 985, 1116, 1170, 1182, 1209, 1300, 1395, 1550, 1612, 1773, 1860, 1950, 1970, 2015, 2325, 2340, 2364, 2418, 2561, 2790, 2925, 2955, 3100, 3546, 3627, 3900, 3940, 4030, 4650, 4836, 4925, 5122, 5580, 5850, 5910, 6045, 6107, 6975, 7092, 7254, 7683, 8060, 8865, 9300, 9850, 10075, 10244, 11700, 11820, 12090, 12214, 12805, 13950, 14508, 14775, 15366, 17730, 18135, 18321, 19700, 20150, 23049, 24180, 24428, 25610, 27900, 29550, 30225, 30535, 30732, 35460, 36270, 36642, 38415, 40300, 44325, 46098, 51220, 54963, 59100, 60450, 61070, 64025, 72540, 73284, 76830, 79391, 88650, 90675, 91605, 92196, 109926, 115245, 120900, 122140, 128050, 152675, 153660, 158782, 177300, 181350, 183210, 192075, 219852, 230490, 238173, 256100, 274815, 305350, 317564, 362700, 366420, 384150, 396955, 458025, 460980, 476346, 549630, 576225, 610700, 714519, 768300, 793910, 916050, 952692, 1099260, 1152450, 1190865, 1374075, 1429038, 1587820, 1832100, 1984775, 2304900, 2381730, 2748150, 2858076, 3572595, 3969550, 4763460, 5496300, 5954325, 7145190, 7939100, 11908650, 14290380, 17862975, 23817300, 35725950, 71451900]

約数ペア:

[(1, 71451900), (2, 35725950), (3, 23817300), (4, 17862975), (5, 14290380), (6, 11908650), (9, 7939100), (10, 7145190), (12, 5954325), (13, 5496300), (15, 4763460), (18, 3969550), (20, 3572595), (25, 2858076), (26, 2748150), (30, 2381730), (31, 2304900), (36, 1984775), (39, 1832100), (45, 1587820), (50, 1429038), (52, 1374075), (60, 1190865), (62, 1152450), (65, 1099260), (75, 952692), (78, 916050), (90, 793910), (93, 768300), (100, 714519), (117, 610700), (124, 576225), (130, 549630), (150, 476346), (155, 460980), (156, 458025), (180, 396955), (186, 384150), (195, 366420), (197, 362700), (225, 317564), (234, 305350), (260, 274815), (279, 256100), (300, 238173), (310, 230490), (325, 219852), (372, 192075), (390, 183210), (394, 181350), (403, 177300), (450, 158782), (465, 153660), (468, 152675), (558, 128050), (585, 122140), (591, 120900), (620, 115245), (650, 109926), (775, 92196), (780, 91605), (788, 90675), (806, 88650), (900, 79391), (930, 76830), (975, 73284), (985, 72540), (1116, 64025), (1170, 61070), (1182, 60450), (1209, 59100), (1300, 54963), (1395, 51220), (1550, 46098), (1612, 44325), (1773, 40300), (1860, 38415), (1950, 36642), (1970, 36270), (2015, 35460), (2325, 30732), (2340, 30535), (2364, 30225), (2418, 29550), (2561, 27900), (2790, 25610), (2925, 24428), (2955, 24180), (3100, 23049), (3546, 20150), (3627, 19700), (3900, 18321), (3940, 18135), (4030, 17730), (4650, 15366), (4836, 14775), (4925, 14508), (5122, 13950), (5580, 12805), (5850, 12214), (5910, 12090), (6045, 11820), (6107, 11700), (6975, 10244), (7092, 10075), (7254, 9850), (7683, 9300), (8060, 8865)]