254967840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9319}}^1$

素因数の和:9359

約数の個数: 144

約数和(自身を含む): 915969600

約数和(自身を除く): 661001760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 9319, 13680, 18638, 27360, 27957, 37276, 46595, 55914, 74552, 83871, 93190, 111828, 139785, 149104, 167742, 177061, 186380, 223656, 279570, 298208, 335484, 354122, 372760, 419355, 447312, 531183, 559140, 670968, 708244, 745520, 838710, 885305, 894624, 1062366, 1118280, 1341936, 1416488, 1491040, 1593549, 1677420, 1770610, 2124732, 2236560, 2655915, 2683872, 2832976, 3187098, 3354840, 3541220, 4249464, 4473120, 5311830, 5665952, 6374196, 6709680, 7082440, 7967745, 8498928, 10623660, 12748392, 13419360, 14164880, 15935490, 16997856, 21247320, 25496784, 28329760, 31870980, 42494640, 50993568, 63741960, 84989280, 127483920, 254967840]

約数ペア:

[(1, 254967840), (2, 127483920), (3, 84989280), (4, 63741960), (5, 50993568), (6, 42494640), (8, 31870980), (9, 28329760), (10, 25496784), (12, 21247320), (15, 16997856), (16, 15935490), (18, 14164880), (19, 13419360), (20, 12748392), (24, 10623660), (30, 8498928), (32, 7967745), (36, 7082440), (38, 6709680), (40, 6374196), (45, 5665952), (48, 5311830), (57, 4473120), (60, 4249464), (72, 3541220), (76, 3354840), (80, 3187098), (90, 2832976), (95, 2683872), (96, 2655915), (114, 2236560), (120, 2124732), (144, 1770610), (152, 1677420), (160, 1593549), (171, 1491040), (180, 1416488), (190, 1341936), (228, 1118280), (240, 1062366), (285, 894624), (288, 885305), (304, 838710), (342, 745520), (360, 708244), (380, 670968), (456, 559140), (480, 531183), (570, 447312), (608, 419355), (684, 372760), (720, 354122), (760, 335484), (855, 298208), (912, 279570), (1140, 223656), (1368, 186380), (1440, 177061), (1520, 167742), (1710, 149104), (1824, 139785), (2280, 111828), (2736, 93190), (3040, 83871), (3420, 74552), (4560, 55914), (5472, 46595), (6840, 37276), (9120, 27957), (9319, 27360), (13680, 18638)]