156717400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 451399680

約数和(自身を除く): 294682280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 31, 35, 40, 46, 50, 56, 62, 70, 92, 100, 115, 124, 140, 155, 157, 161, 175, 184, 200, 217, 230, 248, 280, 310, 314, 322, 350, 434, 460, 575, 620, 628, 644, 700, 713, 775, 785, 805, 868, 920, 1085, 1099, 1150, 1240, 1256, 1288, 1400, 1426, 1550, 1570, 1610, 1736, 2170, 2198, 2300, 2852, 3100, 3140, 3220, 3565, 3611, 3925, 4025, 4340, 4396, 4600, 4867, 4991, 5425, 5495, 5704, 6200, 6280, 6440, 7130, 7222, 7850, 8050, 8680, 8792, 9734, 9982, 10850, 10990, 14260, 14444, 15700, 16100, 17825, 18055, 19468, 19964, 21700, 21980, 24335, 24955, 25277, 27475, 28520, 28888, 31400, 32200, 34069, 35650, 36110, 38936, 39928, 43400, 43960, 48670, 49910, 50554, 54950, 68138, 71300, 72220, 90275, 97340, 99820, 101108, 109900, 111941, 121675, 124775, 126385, 136276, 142600, 144440, 170345, 180550, 194680, 199640, 202216, 219800, 223882, 243350, 249550, 252770, 272552, 340690, 361100, 447764, 486700, 499100, 505540, 559705, 631925, 681380, 722200, 783587, 851725, 895528, 973400, 998200, 1011080, 1119410, 1263850, 1362760, 1567174, 1703450, 2238820, 2527700, 2798525, 3134348, 3406900, 3917935, 4477640, 5055400, 5597050, 6268696, 6813800, 7835870, 11194100, 15671740, 19589675, 22388200, 31343480, 39179350, 78358700, 156717400]

約数ペア:

[(1, 156717400), (2, 78358700), (4, 39179350), (5, 31343480), (7, 22388200), (8, 19589675), (10, 15671740), (14, 11194100), (20, 7835870), (23, 6813800), (25, 6268696), (28, 5597050), (31, 5055400), (35, 4477640), (40, 3917935), (46, 3406900), (50, 3134348), (56, 2798525), (62, 2527700), (70, 2238820), (92, 1703450), (100, 1567174), (115, 1362760), (124, 1263850), (140, 1119410), (155, 1011080), (157, 998200), (161, 973400), (175, 895528), (184, 851725), (200, 783587), (217, 722200), (230, 681380), (248, 631925), (280, 559705), (310, 505540), (314, 499100), (322, 486700), (350, 447764), (434, 361100), (460, 340690), (575, 272552), (620, 252770), (628, 249550), (644, 243350), (700, 223882), (713, 219800), (775, 202216), (785, 199640), (805, 194680), (868, 180550), (920, 170345), (1085, 144440), (1099, 142600), (1150, 136276), (1240, 126385), (1256, 124775), (1288, 121675), (1400, 111941), (1426, 109900), (1550, 101108), (1570, 99820), (1610, 97340), (1736, 90275), (2170, 72220), (2198, 71300), (2300, 68138), (2852, 54950), (3100, 50554), (3140, 49910), (3220, 48670), (3565, 43960), (3611, 43400), (3925, 39928), (4025, 38936), (4340, 36110), (4396, 35650), (4600, 34069), (4867, 32200), (4991, 31400), (5425, 28888), (5495, 28520), (5704, 27475), (6200, 25277), (6280, 24955), (6440, 24335), (7130, 21980), (7222, 21700), (7850, 19964), (8050, 19468), (8680, 18055), (8792, 17825), (9734, 16100), (9982, 15700), (10850, 14444), (10990, 14260)]