248385480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 912384000

約数和(自身を除く): 663998520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 79, 84, 95, 105, 114, 120, 133, 140, 152, 158, 168, 190, 197, 210, 228, 237, 266, 280, 285, 316, 380, 394, 395, 399, 420, 456, 474, 532, 553, 570, 591, 632, 665, 760, 788, 790, 798, 840, 948, 985, 1064, 1106, 1140, 1182, 1185, 1330, 1379, 1501, 1576, 1580, 1596, 1659, 1896, 1970, 1995, 2212, 2280, 2364, 2370, 2660, 2758, 2765, 2955, 3002, 3160, 3192, 3318, 3743, 3940, 3990, 4137, 4424, 4503, 4728, 4740, 5320, 5516, 5530, 5910, 6004, 6636, 6895, 7486, 7505, 7880, 7980, 8274, 8295, 9006, 9480, 10507, 11032, 11060, 11229, 11820, 12008, 13272, 13790, 14972, 15010, 15563, 15960, 16548, 16590, 18012, 18715, 20685, 21014, 22120, 22458, 22515, 23640, 26201, 27580, 29944, 30020, 31126, 31521, 33096, 33180, 36024, 37430, 41370, 42028, 44916, 45030, 46689, 52402, 52535, 55160, 56145, 60040, 62252, 63042, 66360, 74860, 77815, 78603, 82740, 84056, 89832, 90060, 93378, 104804, 105070, 108941, 112290, 124504, 126084, 131005, 149720, 155630, 157206, 157605, 165480, 180120, 186756, 209608, 210140, 217882, 224580, 233445, 252168, 262010, 295697, 311260, 314412, 315210, 326823, 373512, 393015, 420280, 435764, 449160, 466890, 524020, 544705, 591394, 622520, 628824, 630420, 653646, 786030, 871528, 887091, 933780, 1048040, 1089410, 1182788, 1260840, 1307292, 1478485, 1572060, 1634115, 1774182, 1867560, 2069879, 2178820, 2365576, 2614584, 2956970, 3144120, 3268230, 3548364, 4139758, 4357640, 4435455, 5913940, 6209637, 6536460, 7096728, 8279516, 8870910, 10349395, 11827880, 12419274, 13072920, 16559032, 17741820, 20698790, 24838548, 31048185, 35483640, 41397580, 49677096, 62096370, 82795160, 124192740, 248385480]

約数ペア:

[(1, 248385480), (2, 124192740), (3, 82795160), (4, 62096370), (5, 49677096), (6, 41397580), (7, 35483640), (8, 31048185), (10, 24838548), (12, 20698790), (14, 17741820), (15, 16559032), (19, 13072920), (20, 12419274), (21, 11827880), (24, 10349395), (28, 8870910), (30, 8279516), (35, 7096728), (38, 6536460), (40, 6209637), (42, 5913940), (56, 4435455), (57, 4357640), (60, 4139758), (70, 3548364), (76, 3268230), (79, 3144120), (84, 2956970), (95, 2614584), (105, 2365576), (114, 2178820), (120, 2069879), (133, 1867560), (140, 1774182), (152, 1634115), (158, 1572060), (168, 1478485), (190, 1307292), (197, 1260840), (210, 1182788), (228, 1089410), (237, 1048040), (266, 933780), (280, 887091), (285, 871528), (316, 786030), (380, 653646), (394, 630420), (395, 628824), (399, 622520), (420, 591394), (456, 544705), (474, 524020), (532, 466890), (553, 449160), (570, 435764), (591, 420280), (632, 393015), (665, 373512), (760, 326823), (788, 315210), (790, 314412), (798, 311260), (840, 295697), (948, 262010), (985, 252168), (1064, 233445), (1106, 224580), (1140, 217882), (1182, 210140), (1185, 209608), (1330, 186756), (1379, 180120), (1501, 165480), (1576, 157605), (1580, 157206), (1596, 155630), (1659, 149720), (1896, 131005), (1970, 126084), (1995, 124504), (2212, 112290), (2280, 108941), (2364, 105070), (2370, 104804), (2660, 93378), (2758, 90060), (2765, 89832), (2955, 84056), (3002, 82740), (3160, 78603), (3192, 77815), (3318, 74860), (3743, 66360), (3940, 63042), (3990, 62252), (4137, 60040), (4424, 56145), (4503, 55160), (4728, 52535), (4740, 52402), (5320, 46689), (5516, 45030), (5530, 44916), (5910, 42028), (6004, 41370), (6636, 37430), (6895, 36024), (7486, 33180), (7505, 33096), (7880, 31521), (7980, 31126), (8274, 30020), (8295, 29944), (9006, 27580), (9480, 26201), (10507, 23640), (11032, 22515), (11060, 22458), (11229, 22120), (11820, 21014), (12008, 20685), (13272, 18715), (13790, 18012), (14972, 16590), (15010, 16548), (15563, 15960)]