156388400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 180

約数和(自身を含む): 446980320

約数和(自身を除く): 290591920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 80, 98, 100, 101, 112, 140, 158, 175, 196, 200, 202, 245, 280, 316, 350, 392, 395, 400, 404, 490, 505, 553, 560, 632, 700, 707, 784, 790, 808, 980, 1010, 1106, 1225, 1264, 1400, 1414, 1580, 1616, 1960, 1975, 2020, 2212, 2450, 2525, 2765, 2800, 2828, 3160, 3535, 3871, 3920, 3950, 4040, 4424, 4900, 4949, 5050, 5530, 5656, 6320, 7070, 7742, 7900, 7979, 8080, 8848, 9800, 9898, 10100, 11060, 11312, 13825, 14140, 15484, 15800, 15958, 17675, 19355, 19600, 19796, 20200, 22120, 24745, 27650, 28280, 30968, 31600, 31916, 35350, 38710, 39592, 39895, 40400, 44240, 49490, 55300, 55853, 56560, 61936, 63832, 70700, 77420, 79184, 79790, 96775, 98980, 110600, 111706, 123725, 127664, 141400, 154840, 159580, 193550, 197960, 199475, 221200, 223412, 247450, 279265, 282800, 309680, 319160, 387100, 390971, 395920, 398950, 446824, 494900, 558530, 638320, 774200, 781942, 797900, 893648, 989800, 1117060, 1396325, 1548400, 1563884, 1595800, 1954855, 1979600, 2234120, 2792650, 3127768, 3191600, 3909710, 4468240, 5585300, 6255536, 7819420, 9774275, 11170600, 15638840, 19548550, 22341200, 31277680, 39097100, 78194200, 156388400]

約数ペア:

[(1, 156388400), (2, 78194200), (4, 39097100), (5, 31277680), (7, 22341200), (8, 19548550), (10, 15638840), (14, 11170600), (16, 9774275), (20, 7819420), (25, 6255536), (28, 5585300), (35, 4468240), (40, 3909710), (49, 3191600), (50, 3127768), (56, 2792650), (70, 2234120), (79, 1979600), (80, 1954855), (98, 1595800), (100, 1563884), (101, 1548400), (112, 1396325), (140, 1117060), (158, 989800), (175, 893648), (196, 797900), (200, 781942), (202, 774200), (245, 638320), (280, 558530), (316, 494900), (350, 446824), (392, 398950), (395, 395920), (400, 390971), (404, 387100), (490, 319160), (505, 309680), (553, 282800), (560, 279265), (632, 247450), (700, 223412), (707, 221200), (784, 199475), (790, 197960), (808, 193550), (980, 159580), (1010, 154840), (1106, 141400), (1225, 127664), (1264, 123725), (1400, 111706), (1414, 110600), (1580, 98980), (1616, 96775), (1960, 79790), (1975, 79184), (2020, 77420), (2212, 70700), (2450, 63832), (2525, 61936), (2765, 56560), (2800, 55853), (2828, 55300), (3160, 49490), (3535, 44240), (3871, 40400), (3920, 39895), (3950, 39592), (4040, 38710), (4424, 35350), (4900, 31916), (4949, 31600), (5050, 30968), (5530, 28280), (5656, 27650), (6320, 24745), (7070, 22120), (7742, 20200), (7900, 19796), (7979, 19600), (8080, 19355), (8848, 17675), (9800, 15958), (9898, 15800), (10100, 15484), (11060, 14140), (11312, 13825)]