221475780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2154

約数の個数: 144

約数和(自身を含む): 730329600

約数和(自身を除く): 508853820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 2089, 2356, 2790, 2945, 3420, 3534, 4178, 5301, 5580, 5890, 6267, 7068, 8356, 8835, 10445, 10602, 11780, 12534, 17670, 18801, 20890, 21204, 25068, 26505, 31335, 35340, 37602, 39691, 41780, 53010, 62670, 64759, 75204, 79382, 94005, 106020, 119073, 125340, 129518, 158764, 188010, 194277, 198455, 238146, 259036, 323795, 357219, 376020, 388554, 396910, 476292, 582831, 595365, 647590, 714438, 777108, 793820, 971385, 1165662, 1190730, 1230421, 1295180, 1428876, 1786095, 1942770, 2331324, 2381460, 2460842, 2914155, 3572190, 3691263, 3885540, 4921684, 5828310, 6152105, 7144380, 7382526, 11073789, 11656620, 12304210, 14765052, 18456315, 22147578, 24608420, 36912630, 44295156, 55368945, 73825260, 110737890, 221475780]

約数ペア:

[(1, 221475780), (2, 110737890), (3, 73825260), (4, 55368945), (5, 44295156), (6, 36912630), (9, 24608420), (10, 22147578), (12, 18456315), (15, 14765052), (18, 12304210), (19, 11656620), (20, 11073789), (30, 7382526), (31, 7144380), (36, 6152105), (38, 5828310), (45, 4921684), (57, 3885540), (60, 3691263), (62, 3572190), (76, 2914155), (90, 2460842), (93, 2381460), (95, 2331324), (114, 1942770), (124, 1786095), (155, 1428876), (171, 1295180), (180, 1230421), (186, 1190730), (190, 1165662), (228, 971385), (279, 793820), (285, 777108), (310, 714438), (342, 647590), (372, 595365), (380, 582831), (465, 476292), (558, 396910), (570, 388554), (589, 376020), (620, 357219), (684, 323795), (855, 259036), (930, 238146), (1116, 198455), (1140, 194277), (1178, 188010), (1395, 158764), (1710, 129518), (1767, 125340), (1860, 119073), (2089, 106020), (2356, 94005), (2790, 79382), (2945, 75204), (3420, 64759), (3534, 62670), (4178, 53010), (5301, 41780), (5580, 39691), (5890, 37602), (6267, 35340), (7068, 31335), (8356, 26505), (8835, 25068), (10445, 21204), (10602, 20890), (11780, 18801), (12534, 17670)]