240438480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1965

約数の個数: 160

約数和(自身を含む): 815090688

約数和(自身を除く): 574652208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 1901, 2040, 2108, 2480, 2635, 3162, 3720, 3802, 4080, 4216, 5270, 5703, 6324, 7440, 7604, 7905, 8432, 9505, 10540, 11406, 12648, 15208, 15810, 19010, 21080, 22812, 25296, 28515, 30416, 31620, 32317, 38020, 42160, 45624, 57030, 58931, 63240, 64634, 76040, 91248, 96951, 114060, 117862, 126480, 129268, 152080, 161585, 176793, 193902, 228120, 235724, 258536, 294655, 323170, 353586, 387804, 456240, 471448, 484755, 517072, 589310, 646340, 707172, 775608, 883965, 942896, 969510, 1001827, 1178620, 1292680, 1414344, 1551216, 1767930, 1939020, 2003654, 2357240, 2585360, 2828688, 3005481, 3535860, 3878040, 4007308, 4714480, 5009135, 6010962, 7071720, 7756080, 8014616, 10018270, 12021924, 14143440, 15027405, 16029232, 20036540, 24043848, 30054810, 40073080, 48087696, 60109620, 80146160, 120219240, 240438480]

約数ペア:

[(1, 240438480), (2, 120219240), (3, 80146160), (4, 60109620), (5, 48087696), (6, 40073080), (8, 30054810), (10, 24043848), (12, 20036540), (15, 16029232), (16, 15027405), (17, 14143440), (20, 12021924), (24, 10018270), (30, 8014616), (31, 7756080), (34, 7071720), (40, 6010962), (48, 5009135), (51, 4714480), (60, 4007308), (62, 3878040), (68, 3535860), (80, 3005481), (85, 2828688), (93, 2585360), (102, 2357240), (120, 2003654), (124, 1939020), (136, 1767930), (155, 1551216), (170, 1414344), (186, 1292680), (204, 1178620), (240, 1001827), (248, 969510), (255, 942896), (272, 883965), (310, 775608), (340, 707172), (372, 646340), (408, 589310), (465, 517072), (496, 484755), (510, 471448), (527, 456240), (620, 387804), (680, 353586), (744, 323170), (816, 294655), (930, 258536), (1020, 235724), (1054, 228120), (1240, 193902), (1360, 176793), (1488, 161585), (1581, 152080), (1860, 129268), (1901, 126480), (2040, 117862), (2108, 114060), (2480, 96951), (2635, 91248), (3162, 76040), (3720, 64634), (3802, 63240), (4080, 58931), (4216, 57030), (5270, 45624), (5703, 42160), (6324, 38020), (7440, 32317), (7604, 31620), (7905, 30416), (8432, 28515), (9505, 25296), (10540, 22812), (11406, 21080), (12648, 19010), (15208, 15810)]