308131740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 288

約数和(自身を含む): 1148259840

約数和(自身を除く): 840128100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 61, 63, 70, 76, 84, 90, 95, 105, 114, 122, 126, 133, 140, 171, 180, 183, 190, 210, 211, 228, 244, 252, 266, 285, 305, 315, 342, 366, 380, 399, 420, 422, 427, 532, 549, 570, 610, 630, 633, 665, 684, 732, 798, 844, 854, 855, 915, 1055, 1098, 1140, 1159, 1197, 1220, 1260, 1266, 1281, 1330, 1477, 1596, 1708, 1710, 1830, 1899, 1995, 2110, 2135, 2196, 2318, 2394, 2532, 2562, 2660, 2745, 2954, 3165, 3420, 3477, 3660, 3798, 3843, 3990, 4009, 4220, 4270, 4431, 4636, 4788, 5124, 5490, 5795, 5908, 5985, 6330, 6405, 6954, 7385, 7596, 7686, 7980, 8018, 8113, 8540, 8862, 9495, 10431, 10980, 11590, 11970, 12027, 12660, 12810, 12871, 13293, 13908, 14770, 15372, 16036, 16226, 17385, 17724, 18990, 19215, 20045, 20862, 22155, 23180, 23940, 24054, 24339, 25620, 25742, 26586, 28063, 29540, 32452, 34770, 36081, 37980, 38430, 38613, 40090, 40565, 41724, 44310, 48108, 48678, 51484, 52155, 53172, 56126, 60135, 64355, 66465, 69540, 72162, 73017, 76860, 77226, 80180, 81130, 84189, 88620, 90097, 97356, 104310, 112252, 115839, 120270, 121695, 128710, 132930, 140315, 144324, 146034, 154452, 162260, 168378, 180194, 180405, 193065, 208620, 231678, 240540, 243390, 244549, 252567, 257420, 265860, 270291, 280630, 292068, 336756, 360388, 360810, 365085, 386130, 420945, 450485, 463356, 486780, 489098, 505134, 540582, 561260, 579195, 721620, 730170, 733647, 772260, 810873, 841890, 900970, 978196, 1010268, 1081164, 1158390, 1222745, 1262835, 1351455, 1460340, 1467294, 1621746, 1683780, 1711843, 1801940, 2200941, 2316780, 2445490, 2525670, 2702910, 2934588, 3243492, 3423686, 3668235, 4054365, 4401882, 4890980, 5051340, 5135529, 5405820, 6847372, 7336470, 8108730, 8559215, 8803764, 10271058, 11004705, 14672940, 15406587, 16217460, 17118430, 20542116, 22009410, 25677645, 30813174, 34236860, 44018820, 51355290, 61626348, 77032935, 102710580, 154065870, 308131740]

約数ペア:

[(1, 308131740), (2, 154065870), (3, 102710580), (4, 77032935), (5, 61626348), (6, 51355290), (7, 44018820), (9, 34236860), (10, 30813174), (12, 25677645), (14, 22009410), (15, 20542116), (18, 17118430), (19, 16217460), (20, 15406587), (21, 14672940), (28, 11004705), (30, 10271058), (35, 8803764), (36, 8559215), (38, 8108730), (42, 7336470), (45, 6847372), (57, 5405820), (60, 5135529), (61, 5051340), (63, 4890980), (70, 4401882), (76, 4054365), (84, 3668235), (90, 3423686), (95, 3243492), (105, 2934588), (114, 2702910), (122, 2525670), (126, 2445490), (133, 2316780), (140, 2200941), (171, 1801940), (180, 1711843), (183, 1683780), (190, 1621746), (210, 1467294), (211, 1460340), (228, 1351455), (244, 1262835), (252, 1222745), (266, 1158390), (285, 1081164), (305, 1010268), (315, 978196), (342, 900970), (366, 841890), (380, 810873), (399, 772260), (420, 733647), (422, 730170), (427, 721620), (532, 579195), (549, 561260), (570, 540582), (610, 505134), (630, 489098), (633, 486780), (665, 463356), (684, 450485), (732, 420945), (798, 386130), (844, 365085), (854, 360810), (855, 360388), (915, 336756), (1055, 292068), (1098, 280630), (1140, 270291), (1159, 265860), (1197, 257420), (1220, 252567), (1260, 244549), (1266, 243390), (1281, 240540), (1330, 231678), (1477, 208620), (1596, 193065), (1708, 180405), (1710, 180194), (1830, 168378), (1899, 162260), (1995, 154452), (2110, 146034), (2135, 144324), (2196, 140315), (2318, 132930), (2394, 128710), (2532, 121695), (2562, 120270), (2660, 115839), (2745, 112252), (2954, 104310), (3165, 97356), (3420, 90097), (3477, 88620), (3660, 84189), (3798, 81130), (3843, 80180), (3990, 77226), (4009, 76860), (4220, 73017), (4270, 72162), (4431, 69540), (4636, 66465), (4788, 64355), (5124, 60135), (5490, 56126), (5795, 53172), (5908, 52155), (5985, 51484), (6330, 48678), (6405, 48108), (6954, 44310), (7385, 41724), (7596, 40565), (7686, 40090), (7980, 38613), (8018, 38430), (8113, 37980), (8540, 36081), (8862, 34770), (9495, 32452), (10431, 29540), (10980, 28063), (11590, 26586), (11970, 25742), (12027, 25620), (12660, 24339), (12810, 24054), (12871, 23940), (13293, 23180), (13908, 22155), (14770, 20862), (15372, 20045), (16036, 19215), (16226, 18990), (17385, 17724)]