28915740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 102368448

約数和(自身を除く): 73452708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 433, 477, 530, 630, 636, 742, 795, 866, 954, 1060, 1113, 1260, 1299, 1484, 1590, 1732, 1855, 1908, 2165, 2226, 2385, 2598, 3031, 3180, 3339, 3710, 3897, 4330, 4452, 4770, 5196, 5565, 6062, 6495, 6678, 7420, 7794, 8660, 9093, 9540, 11130, 12124, 12990, 13356, 15155, 15588, 16695, 18186, 19485, 22260, 22949, 25980, 27279, 30310, 33390, 36372, 38970, 45465, 45898, 54558, 60620, 66780, 68847, 77940, 90930, 91796, 109116, 114745, 136395, 137694, 160643, 181860, 206541, 229490, 272790, 275388, 321286, 344235, 413082, 458980, 481929, 545580, 642572, 688470, 803215, 826164, 963858, 1032705, 1376940, 1445787, 1606430, 1927716, 2065410, 2409645, 2891574, 3212860, 4130820, 4819290, 5783148, 7228935, 9638580, 14457870, 28915740]

約数ペア:

[(1, 28915740), (2, 14457870), (3, 9638580), (4, 7228935), (5, 5783148), (6, 4819290), (7, 4130820), (9, 3212860), (10, 2891574), (12, 2409645), (14, 2065410), (15, 1927716), (18, 1606430), (20, 1445787), (21, 1376940), (28, 1032705), (30, 963858), (35, 826164), (36, 803215), (42, 688470), (45, 642572), (53, 545580), (60, 481929), (63, 458980), (70, 413082), (84, 344235), (90, 321286), (105, 275388), (106, 272790), (126, 229490), (140, 206541), (159, 181860), (180, 160643), (210, 137694), (212, 136395), (252, 114745), (265, 109116), (315, 91796), (318, 90930), (371, 77940), (420, 68847), (433, 66780), (477, 60620), (530, 54558), (630, 45898), (636, 45465), (742, 38970), (795, 36372), (866, 33390), (954, 30310), (1060, 27279), (1113, 25980), (1260, 22949), (1299, 22260), (1484, 19485), (1590, 18186), (1732, 16695), (1855, 15588), (1908, 15155), (2165, 13356), (2226, 12990), (2385, 12124), (2598, 11130), (3031, 9540), (3180, 9093), (3339, 8660), (3710, 7794), (3897, 7420), (4330, 6678), (4452, 6495), (4770, 6062), (5196, 5565)]