16723980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1056

約数の個数: 144

約数和(自身を含む): 62497344

約数和(自身を除く): 45773364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1021, 1092, 1170, 1260, 1365, 1638, 1820, 2042, 2340, 2730, 3063, 3276, 4084, 4095, 5105, 5460, 6126, 7147, 8190, 9189, 10210, 12252, 13273, 14294, 15315, 16380, 18378, 20420, 21441, 26546, 28588, 30630, 35735, 36756, 39819, 42882, 45945, 53092, 61260, 64323, 66365, 71470, 79638, 85764, 91890, 92911, 107205, 119457, 128646, 132730, 142940, 159276, 183780, 185822, 199095, 214410, 238914, 257292, 265460, 278733, 321615, 371644, 398190, 428820, 464555, 477828, 557466, 597285, 643230, 796380, 836199, 929110, 1114932, 1194570, 1286460, 1393665, 1672398, 1858220, 2389140, 2787330, 3344796, 4180995, 5574660, 8361990, 16723980]

約数ペア:

[(1, 16723980), (2, 8361990), (3, 5574660), (4, 4180995), (5, 3344796), (6, 2787330), (7, 2389140), (9, 1858220), (10, 1672398), (12, 1393665), (13, 1286460), (14, 1194570), (15, 1114932), (18, 929110), (20, 836199), (21, 796380), (26, 643230), (28, 597285), (30, 557466), (35, 477828), (36, 464555), (39, 428820), (42, 398190), (45, 371644), (52, 321615), (60, 278733), (63, 265460), (65, 257292), (70, 238914), (78, 214410), (84, 199095), (90, 185822), (91, 183780), (105, 159276), (117, 142940), (126, 132730), (130, 128646), (140, 119457), (156, 107205), (180, 92911), (182, 91890), (195, 85764), (210, 79638), (234, 71470), (252, 66365), (260, 64323), (273, 61260), (315, 53092), (364, 45945), (390, 42882), (420, 39819), (455, 36756), (468, 35735), (546, 30630), (585, 28588), (630, 26546), (780, 21441), (819, 20420), (910, 18378), (1021, 16380), (1092, 15315), (1170, 14294), (1260, 13273), (1365, 12252), (1638, 10210), (1820, 9189), (2042, 8190), (2340, 7147), (2730, 6126), (3063, 5460), (3276, 5105), (4084, 4095)]