178948740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 557383680

約数和(自身を除く): 378434940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 47, 60, 62, 69, 89, 92, 93, 94, 115, 124, 138, 141, 155, 178, 186, 188, 230, 235, 267, 276, 282, 310, 345, 356, 372, 445, 460, 465, 470, 534, 564, 620, 690, 705, 713, 890, 930, 940, 1068, 1081, 1335, 1380, 1410, 1426, 1457, 1780, 1860, 2047, 2139, 2162, 2670, 2759, 2820, 2852, 2914, 3243, 3565, 4094, 4183, 4278, 4324, 4371, 5340, 5405, 5518, 5828, 6141, 6486, 7130, 7285, 8188, 8277, 8366, 8556, 8742, 10235, 10695, 10810, 11036, 12282, 12549, 12972, 13795, 14260, 14570, 16215, 16554, 16732, 17484, 20470, 20915, 21390, 21620, 21855, 24564, 25098, 27590, 29140, 30705, 32430, 33108, 33511, 40940, 41385, 41830, 42780, 43710, 50196, 55180, 61410, 62745, 63457, 64860, 67022, 82770, 83660, 87420, 96209, 100533, 122820, 125490, 126914, 129673, 134044, 165540, 167555, 190371, 192418, 201066, 250980, 253828, 259346, 288627, 317285, 335110, 380742, 384836, 389019, 402132, 481045, 502665, 518692, 577254, 634570, 648365, 670220, 761484, 778038, 951855, 962090, 1005330, 1154508, 1269140, 1296730, 1443135, 1556076, 1903710, 1924180, 1945095, 2010660, 2593460, 2886270, 2982479, 3807420, 3890190, 5772540, 5964958, 7780380, 8947437, 11929916, 14912395, 17894874, 29824790, 35789748, 44737185, 59649580, 89474370, 178948740]

約数ペア:

[(1, 178948740), (2, 89474370), (3, 59649580), (4, 44737185), (5, 35789748), (6, 29824790), (10, 17894874), (12, 14912395), (15, 11929916), (20, 8947437), (23, 7780380), (30, 5964958), (31, 5772540), (46, 3890190), (47, 3807420), (60, 2982479), (62, 2886270), (69, 2593460), (89, 2010660), (92, 1945095), (93, 1924180), (94, 1903710), (115, 1556076), (124, 1443135), (138, 1296730), (141, 1269140), (155, 1154508), (178, 1005330), (186, 962090), (188, 951855), (230, 778038), (235, 761484), (267, 670220), (276, 648365), (282, 634570), (310, 577254), (345, 518692), (356, 502665), (372, 481045), (445, 402132), (460, 389019), (465, 384836), (470, 380742), (534, 335110), (564, 317285), (620, 288627), (690, 259346), (705, 253828), (713, 250980), (890, 201066), (930, 192418), (940, 190371), (1068, 167555), (1081, 165540), (1335, 134044), (1380, 129673), (1410, 126914), (1426, 125490), (1457, 122820), (1780, 100533), (1860, 96209), (2047, 87420), (2139, 83660), (2162, 82770), (2670, 67022), (2759, 64860), (2820, 63457), (2852, 62745), (2914, 61410), (3243, 55180), (3565, 50196), (4094, 43710), (4183, 42780), (4278, 41830), (4324, 41385), (4371, 40940), (5340, 33511), (5405, 33108), (5518, 32430), (5828, 30705), (6141, 29140), (6486, 27590), (7130, 25098), (7285, 24564), (8188, 21855), (8277, 21620), (8366, 21390), (8556, 20915), (8742, 20470), (10235, 17484), (10695, 16732), (10810, 16554), (11036, 16215), (12282, 14570), (12549, 14260), (12972, 13795)]