740427720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 256

約数和(自身を含む): 2455833600

約数和(自身を除く): 1715405880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 67, 74, 76, 95, 111, 114, 120, 131, 134, 148, 152, 185, 190, 201, 222, 228, 262, 268, 285, 296, 335, 370, 380, 393, 402, 444, 456, 524, 536, 555, 570, 655, 670, 703, 740, 760, 786, 804, 888, 1005, 1048, 1110, 1140, 1273, 1310, 1340, 1406, 1480, 1572, 1608, 1965, 2010, 2109, 2220, 2280, 2479, 2489, 2546, 2620, 2680, 2812, 3144, 3515, 3819, 3930, 4020, 4218, 4440, 4847, 4958, 4978, 5092, 5240, 5624, 6365, 7030, 7437, 7467, 7638, 7860, 8040, 8436, 8777, 9694, 9916, 9956, 10184, 10545, 12395, 12445, 12730, 14060, 14541, 14874, 14934, 15276, 15720, 16872, 17554, 19095, 19388, 19832, 19912, 21090, 24235, 24790, 24890, 25460, 26331, 28120, 29082, 29748, 29868, 30552, 35108, 37185, 37335, 38190, 38776, 42180, 43885, 47101, 48470, 49580, 49780, 50920, 52662, 58164, 59496, 59736, 70216, 72705, 74370, 74670, 76380, 84360, 87770, 92093, 94202, 96940, 99160, 99560, 105324, 116328, 131655, 141303, 145410, 148740, 149340, 152760, 166763, 175540, 184186, 188404, 193880, 210648, 235505, 263310, 276279, 282606, 290820, 297480, 298680, 324749, 333526, 351080, 368372, 376808, 460465, 471010, 500289, 526620, 552558, 565212, 581640, 649498, 667052, 706515, 736744, 833815, 920930, 942020, 974247, 1000578, 1053240, 1105116, 1130424, 1298996, 1334104, 1381395, 1413030, 1623745, 1667630, 1841860, 1884040, 1948494, 2001156, 2210232, 2501445, 2597992, 2762790, 2826060, 3247490, 3335260, 3683720, 3896988, 4002312, 4871235, 5002890, 5525580, 5652120, 6170231, 6494980, 6670520, 7793976, 9742470, 10005780, 11051160, 12340462, 12989960, 18510693, 19484940, 20011560, 24680924, 30851155, 37021386, 38969880, 49361848, 61702310, 74042772, 92553465, 123404620, 148085544, 185106930, 246809240, 370213860, 740427720]

約数ペア:

[(1, 740427720), (2, 370213860), (3, 246809240), (4, 185106930), (5, 148085544), (6, 123404620), (8, 92553465), (10, 74042772), (12, 61702310), (15, 49361848), (19, 38969880), (20, 37021386), (24, 30851155), (30, 24680924), (37, 20011560), (38, 19484940), (40, 18510693), (57, 12989960), (60, 12340462), (67, 11051160), (74, 10005780), (76, 9742470), (95, 7793976), (111, 6670520), (114, 6494980), (120, 6170231), (131, 5652120), (134, 5525580), (148, 5002890), (152, 4871235), (185, 4002312), (190, 3896988), (201, 3683720), (222, 3335260), (228, 3247490), (262, 2826060), (268, 2762790), (285, 2597992), (296, 2501445), (335, 2210232), (370, 2001156), (380, 1948494), (393, 1884040), (402, 1841860), (444, 1667630), (456, 1623745), (524, 1413030), (536, 1381395), (555, 1334104), (570, 1298996), (655, 1130424), (670, 1105116), (703, 1053240), (740, 1000578), (760, 974247), (786, 942020), (804, 920930), (888, 833815), (1005, 736744), (1048, 706515), (1110, 667052), (1140, 649498), (1273, 581640), (1310, 565212), (1340, 552558), (1406, 526620), (1480, 500289), (1572, 471010), (1608, 460465), (1965, 376808), (2010, 368372), (2109, 351080), (2220, 333526), (2280, 324749), (2479, 298680), (2489, 297480), (2546, 290820), (2620, 282606), (2680, 276279), (2812, 263310), (3144, 235505), (3515, 210648), (3819, 193880), (3930, 188404), (4020, 184186), (4218, 175540), (4440, 166763), (4847, 152760), (4958, 149340), (4978, 148740), (5092, 145410), (5240, 141303), (5624, 131655), (6365, 116328), (7030, 105324), (7437, 99560), (7467, 99160), (7638, 96940), (7860, 94202), (8040, 92093), (8436, 87770), (8777, 84360), (9694, 76380), (9916, 74670), (9956, 74370), (10184, 72705), (10545, 70216), (12395, 59736), (12445, 59496), (12730, 58164), (14060, 52662), (14541, 50920), (14874, 49780), (14934, 49580), (15276, 48470), (15720, 47101), (16872, 43885), (17554, 42180), (19095, 38776), (19388, 38190), (19832, 37335), (19912, 37185), (21090, 35108), (24235, 30552), (24790, 29868), (24890, 29748), (25460, 29082), (26331, 28120)]