8187480

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^2$

素因数の和:68

約数の個数: 240

約数和(自身を含む): 33192720

約数和(自身を除く): 25005240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 81, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 162, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 324, 342, 360, 361, 378, 380, 399, 405, 420, 456, 504, 513, 532, 540, 567, 570, 630, 648, 665, 684, 722, 756, 760, 798, 810, 840, 855, 945, 1026, 1064, 1080, 1083, 1134, 1140, 1197, 1260, 1330, 1368, 1444, 1512, 1539, 1596, 1620, 1710, 1805, 1890, 1995, 2052, 2166, 2268, 2280, 2394, 2520, 2527, 2565, 2660, 2835, 2888, 3078, 3192, 3240, 3249, 3420, 3591, 3610, 3780, 3990, 4104, 4332, 4536, 4788, 5054, 5130, 5320, 5415, 5670, 5985, 6156, 6498, 6840, 7182, 7220, 7560, 7581, 7695, 7980, 8664, 9576, 9747, 10108, 10260, 10773, 10830, 11340, 11970, 12312, 12635, 12996, 14364, 14440, 15162, 15390, 15960, 16245, 17955, 19494, 20216, 20520, 21546, 21660, 22680, 22743, 23940, 25270, 25992, 28728, 29241, 30324, 30780, 32490, 35910, 37905, 38988, 43092, 43320, 45486, 47880, 48735, 50540, 53865, 58482, 60648, 61560, 64980, 68229, 71820, 75810, 77976, 86184, 90972, 97470, 101080, 107730, 113715, 116964, 129960, 136458, 143640, 146205, 151620, 181944, 194940, 204687, 215460, 227430, 233928, 272916, 292410, 303240, 341145, 389880, 409374, 430920, 454860, 545832, 584820, 682290, 818748, 909720, 1023435, 1169640, 1364580, 1637496, 2046870, 2729160, 4093740, 8187480]

約数ペア:

[(1, 8187480), (2, 4093740), (3, 2729160), (4, 2046870), (5, 1637496), (6, 1364580), (7, 1169640), (8, 1023435), (9, 909720), (10, 818748), (12, 682290), (14, 584820), (15, 545832), (18, 454860), (19, 430920), (20, 409374), (21, 389880), (24, 341145), (27, 303240), (28, 292410), (30, 272916), (35, 233928), (36, 227430), (38, 215460), (40, 204687), (42, 194940), (45, 181944), (54, 151620), (56, 146205), (57, 143640), (60, 136458), (63, 129960), (70, 116964), (72, 113715), (76, 107730), (81, 101080), (84, 97470), (90, 90972), (95, 86184), (105, 77976), (108, 75810), (114, 71820), (120, 68229), (126, 64980), (133, 61560), (135, 60648), (140, 58482), (152, 53865), (162, 50540), (168, 48735), (171, 47880), (180, 45486), (189, 43320), (190, 43092), (210, 38988), (216, 37905), (228, 35910), (252, 32490), (266, 30780), (270, 30324), (280, 29241), (285, 28728), (315, 25992), (324, 25270), (342, 23940), (360, 22743), (361, 22680), (378, 21660), (380, 21546), (399, 20520), (405, 20216), (420, 19494), (456, 17955), (504, 16245), (513, 15960), (532, 15390), (540, 15162), (567, 14440), (570, 14364), (630, 12996), (648, 12635), (665, 12312), (684, 11970), (722, 11340), (756, 10830), (760, 10773), (798, 10260), (810, 10108), (840, 9747), (855, 9576), (945, 8664), (1026, 7980), (1064, 7695), (1080, 7581), (1083, 7560), (1134, 7220), (1140, 7182), (1197, 6840), (1260, 6498), (1330, 6156), (1368, 5985), (1444, 5670), (1512, 5415), (1539, 5320), (1596, 5130), (1620, 5054), (1710, 4788), (1805, 4536), (1890, 4332), (1995, 4104), (2052, 3990), (2166, 3780), (2268, 3610), (2280, 3591), (2394, 3420), (2520, 3249), (2527, 3240), (2565, 3192), (2660, 3078), (2835, 2888)]