253489860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 144

約数和(自身を含む): 834266160

約数和(自身を除く): 580776300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 641, 676, 780, 845, 1014, 1170, 1282, 1521, 1690, 1923, 2028, 2197, 2340, 2535, 2564, 3042, 3205, 3380, 3846, 4394, 5070, 5769, 6084, 6410, 6591, 7605, 7692, 8333, 8788, 9615, 10140, 10985, 11538, 12820, 13182, 15210, 16666, 19230, 19773, 21970, 23076, 24999, 26364, 28845, 30420, 32955, 33332, 38460, 39546, 41665, 43940, 49998, 57690, 65910, 74997, 79092, 83330, 98865, 99996, 108329, 115380, 124995, 131820, 149994, 166660, 197730, 216658, 249990, 299988, 324987, 374985, 395460, 433316, 499980, 541645, 649974, 749970, 974961, 1083290, 1299948, 1408277, 1499940, 1624935, 1949922, 2166580, 2816554, 3249870, 3899844, 4224831, 4874805, 5633108, 6499740, 7041385, 8449662, 9749610, 12674493, 14082770, 16899324, 19499220, 21124155, 25348986, 28165540, 42248310, 50697972, 63372465, 84496620, 126744930, 253489860]

約数ペア:

[(1, 253489860), (2, 126744930), (3, 84496620), (4, 63372465), (5, 50697972), (6, 42248310), (9, 28165540), (10, 25348986), (12, 21124155), (13, 19499220), (15, 16899324), (18, 14082770), (20, 12674493), (26, 9749610), (30, 8449662), (36, 7041385), (39, 6499740), (45, 5633108), (52, 4874805), (60, 4224831), (65, 3899844), (78, 3249870), (90, 2816554), (117, 2166580), (130, 1949922), (156, 1624935), (169, 1499940), (180, 1408277), (195, 1299948), (234, 1083290), (260, 974961), (338, 749970), (390, 649974), (468, 541645), (507, 499980), (585, 433316), (641, 395460), (676, 374985), (780, 324987), (845, 299988), (1014, 249990), (1170, 216658), (1282, 197730), (1521, 166660), (1690, 149994), (1923, 131820), (2028, 124995), (2197, 115380), (2340, 108329), (2535, 99996), (2564, 98865), (3042, 83330), (3205, 79092), (3380, 74997), (3846, 65910), (4394, 57690), (5070, 49998), (5769, 43940), (6084, 41665), (6410, 39546), (6591, 38460), (7605, 33332), (7692, 32955), (8333, 30420), (8788, 28845), (9615, 26364), (10140, 24999), (10985, 23076), (11538, 21970), (12820, 19773), (13182, 19230), (15210, 16666)]