255036240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 240

約数和(自身を含む): 915358080

約数和(自身を除く): 660321840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 103, 114, 120, 144, 152, 171, 180, 181, 190, 206, 228, 240, 285, 304, 309, 342, 360, 362, 380, 412, 456, 515, 543, 570, 618, 684, 720, 724, 760, 824, 855, 905, 912, 927, 1030, 1086, 1140, 1236, 1368, 1448, 1520, 1545, 1629, 1648, 1710, 1810, 1854, 1957, 2060, 2172, 2280, 2472, 2715, 2736, 2896, 3090, 3258, 3420, 3439, 3620, 3708, 3914, 4120, 4344, 4560, 4635, 4944, 5430, 5871, 6180, 6516, 6840, 6878, 7240, 7416, 7828, 8145, 8240, 8688, 9270, 9785, 10317, 10860, 11742, 12360, 13032, 13680, 13756, 14480, 14832, 15656, 16290, 17195, 17613, 18540, 18643, 19570, 20634, 21720, 23484, 24720, 26064, 27512, 29355, 30951, 31312, 32580, 34390, 35226, 37080, 37286, 39140, 41268, 43440, 46968, 51585, 55024, 55929, 58710, 61902, 65160, 68780, 70452, 74160, 74572, 78280, 82536, 88065, 93215, 93936, 103170, 111858, 117420, 123804, 130320, 137560, 140904, 149144, 154755, 156560, 165072, 167787, 176130, 186430, 206340, 223716, 234840, 247608, 275120, 279645, 281808, 298288, 309510, 335574, 352260, 354217, 372860, 412680, 447432, 469680, 495216, 559290, 619020, 671148, 704520, 708434, 745720, 825360, 838935, 894864, 1062651, 1118580, 1238040, 1342296, 1409040, 1416868, 1491440, 1677870, 1771085, 2125302, 2237160, 2476080, 2684592, 2833736, 3187953, 3355740, 3542170, 4250604, 4474320, 5313255, 5667472, 6375906, 6711480, 7084340, 8501208, 10626510, 12751812, 13422960, 14168680, 15939765, 17002416, 21253020, 25503624, 28337360, 31879530, 42506040, 51007248, 63759060, 85012080, 127518120, 255036240]

約数ペア:

[(1, 255036240), (2, 127518120), (3, 85012080), (4, 63759060), (5, 51007248), (6, 42506040), (8, 31879530), (9, 28337360), (10, 25503624), (12, 21253020), (15, 17002416), (16, 15939765), (18, 14168680), (19, 13422960), (20, 12751812), (24, 10626510), (30, 8501208), (36, 7084340), (38, 6711480), (40, 6375906), (45, 5667472), (48, 5313255), (57, 4474320), (60, 4250604), (72, 3542170), (76, 3355740), (80, 3187953), (90, 2833736), (95, 2684592), (103, 2476080), (114, 2237160), (120, 2125302), (144, 1771085), (152, 1677870), (171, 1491440), (180, 1416868), (181, 1409040), (190, 1342296), (206, 1238040), (228, 1118580), (240, 1062651), (285, 894864), (304, 838935), (309, 825360), (342, 745720), (360, 708434), (362, 704520), (380, 671148), (412, 619020), (456, 559290), (515, 495216), (543, 469680), (570, 447432), (618, 412680), (684, 372860), (720, 354217), (724, 352260), (760, 335574), (824, 309510), (855, 298288), (905, 281808), (912, 279645), (927, 275120), (1030, 247608), (1086, 234840), (1140, 223716), (1236, 206340), (1368, 186430), (1448, 176130), (1520, 167787), (1545, 165072), (1629, 156560), (1648, 154755), (1710, 149144), (1810, 140904), (1854, 137560), (1957, 130320), (2060, 123804), (2172, 117420), (2280, 111858), (2472, 103170), (2715, 93936), (2736, 93215), (2896, 88065), (3090, 82536), (3258, 78280), (3420, 74572), (3439, 74160), (3620, 70452), (3708, 68780), (3914, 65160), (4120, 61902), (4344, 58710), (4560, 55929), (4635, 55024), (4944, 51585), (5430, 46968), (5871, 43440), (6180, 41268), (6516, 39140), (6840, 37286), (6878, 37080), (7240, 35226), (7416, 34390), (7828, 32580), (8145, 31312), (8240, 30951), (8688, 29355), (9270, 27512), (9785, 26064), (10317, 24720), (10860, 23484), (11742, 21720), (12360, 20634), (13032, 19570), (13680, 18643), (13756, 18540), (14480, 17613), (14832, 17195), (15656, 16290)]