15721428660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{28081}}^1$

素因数の和:28174

約数の個数: 192

約数和(自身を含む): 53141028864

約数和(自身を除く): 37419600204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 43, 60, 62, 70, 84, 86, 93, 105, 124, 129, 140, 155, 172, 186, 210, 215, 217, 258, 301, 310, 372, 420, 430, 434, 465, 516, 602, 620, 645, 651, 860, 868, 903, 930, 1085, 1204, 1290, 1302, 1333, 1505, 1806, 1860, 2170, 2580, 2604, 2666, 3010, 3255, 3612, 3999, 4340, 4515, 5332, 6020, 6510, 6665, 7998, 9030, 9331, 13020, 13330, 15996, 18060, 18662, 19995, 26660, 27993, 28081, 37324, 39990, 46655, 55986, 56162, 79980, 84243, 93310, 111972, 112324, 139965, 140405, 168486, 186620, 196567, 279930, 280810, 336972, 393134, 421215, 559860, 561620, 589701, 786268, 842430, 870511, 982835, 1179402, 1207483, 1684860, 1741022, 1965670, 2358804, 2414966, 2611533, 2948505, 3482044, 3622449, 3931340, 4352555, 4829932, 5223066, 5897010, 6037415, 6093577, 7244898, 8452381, 8705110, 10446132, 11794020, 12074830, 12187154, 13057665, 14489796, 16904762, 17410220, 18112245, 18280731, 24149660, 24374308, 25357143, 26115330, 30467885, 33809524, 36224490, 36561462, 37431973, 42261905, 50714286, 52230660, 60935770, 72448980, 73122924, 74863946, 84523810, 91403655, 101428572, 112295919, 121871540, 126785715, 149727892, 169047620, 182807310, 187159865, 224591838, 253571430, 262023811, 365614620, 374319730, 449183676, 507142860, 524047622, 561479595, 748639460, 786071433, 1048095244, 1122959190, 1310119055, 1572142866, 2245918380, 2620238110, 3144285732, 3930357165, 5240476220, 7860714330, 15721428660]

約数ペア:

[(1, 15721428660), (2, 7860714330), (3, 5240476220), (4, 3930357165), (5, 3144285732), (6, 2620238110), (7, 2245918380), (10, 1572142866), (12, 1310119055), (14, 1122959190), (15, 1048095244), (20, 786071433), (21, 748639460), (28, 561479595), (30, 524047622), (31, 507142860), (35, 449183676), (42, 374319730), (43, 365614620), (60, 262023811), (62, 253571430), (70, 224591838), (84, 187159865), (86, 182807310), (93, 169047620), (105, 149727892), (124, 126785715), (129, 121871540), (140, 112295919), (155, 101428572), (172, 91403655), (186, 84523810), (210, 74863946), (215, 73122924), (217, 72448980), (258, 60935770), (301, 52230660), (310, 50714286), (372, 42261905), (420, 37431973), (430, 36561462), (434, 36224490), (465, 33809524), (516, 30467885), (602, 26115330), (620, 25357143), (645, 24374308), (651, 24149660), (860, 18280731), (868, 18112245), (903, 17410220), (930, 16904762), (1085, 14489796), (1204, 13057665), (1290, 12187154), (1302, 12074830), (1333, 11794020), (1505, 10446132), (1806, 8705110), (1860, 8452381), (2170, 7244898), (2580, 6093577), (2604, 6037415), (2666, 5897010), (3010, 5223066), (3255, 4829932), (3612, 4352555), (3999, 3931340), (4340, 3622449), (4515, 3482044), (5332, 2948505), (6020, 2611533), (6510, 2414966), (6665, 2358804), (7998, 1965670), (9030, 1741022), (9331, 1684860), (13020, 1207483), (13330, 1179402), (15996, 982835), (18060, 870511), (18662, 842430), (19995, 786268), (26660, 589701), (27993, 561620), (28081, 559860), (37324, 421215), (39990, 393134), (46655, 336972), (55986, 280810), (56162, 279930), (79980, 196567), (84243, 186620), (93310, 168486), (111972, 140405), (112324, 139965)]