281167320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 256

約数和(自身を含む): 1032192000

約数和(自身を除く): 751024680

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, 210, 223, 228, 237, 266, 280, 285, 316, 380, 395, 399, 420, 446, 456, 474, 532, 553, 570, 632, 665, 669, 760, 790, 798, 840, 892, 948, 1064, 1106, 1115, 1140, 1185, 1330, 1338, 1501, 1561, 1580, 1596, 1659, 1784, 1896, 1995, 2212, 2230, 2280, 2370, 2660, 2676, 2765, 3002, 3122, 3160, 3192, 3318, 3345, 3990, 4237, 4424, 4460, 4503, 4683, 4740, 5320, 5352, 5530, 6004, 6244, 6636, 6690, 7505, 7805, 7980, 8295, 8474, 8920, 9006, 9366, 9480, 10507, 11060, 12008, 12488, 12711, 13272, 13380, 15010, 15610, 15960, 16590, 16948, 17617, 18012, 18732, 21014, 21185, 22120, 22515, 23415, 25422, 26760, 29659, 30020, 31220, 31521, 33180, 33896, 35234, 36024, 37464, 42028, 42370, 45030, 46830, 50844, 52535, 52851, 59318, 60040, 62440, 63042, 63555, 66360, 70468, 84056, 84740, 88085, 88977, 90060, 93660, 101688, 105070, 105702, 118636, 123319, 126084, 127110, 140936, 148295, 157605, 169480, 176170, 177954, 180120, 187320, 210140, 211404, 237272, 246638, 252168, 254220, 264255, 296590, 315210, 334723, 352340, 355908, 369957, 420280, 422808, 444885, 493276, 508440, 528510, 593180, 616595, 630420, 669446, 704680, 711816, 739914, 889770, 986552, 1004169, 1057020, 1186360, 1233190, 1260840, 1338892, 1479828, 1673615, 1779540, 1849785, 2008338, 2114040, 2343061, 2466380, 2677784, 2959656, 3347230, 3559080, 3699570, 4016676, 4686122, 4932760, 5020845, 6694460, 7029183, 7399140, 8033352, 9372244, 10041690, 11715305, 13388920, 14058366, 14798280, 18744488, 20083380, 23430610, 28116732, 35145915, 40166760, 46861220, 56233464, 70291830, 93722440, 140583660, 281167320]

約数ペア:

[(1, 281167320), (2, 140583660), (3, 93722440), (4, 70291830), (5, 56233464), (6, 46861220), (7, 40166760), (8, 35145915), (10, 28116732), (12, 23430610), (14, 20083380), (15, 18744488), (19, 14798280), (20, 14058366), (21, 13388920), (24, 11715305), (28, 10041690), (30, 9372244), (35, 8033352), (38, 7399140), (40, 7029183), (42, 6694460), (56, 5020845), (57, 4932760), (60, 4686122), (70, 4016676), (76, 3699570), (79, 3559080), (84, 3347230), (95, 2959656), (105, 2677784), (114, 2466380), (120, 2343061), (133, 2114040), (140, 2008338), (152, 1849785), (158, 1779540), (168, 1673615), (190, 1479828), (210, 1338892), (223, 1260840), (228, 1233190), (237, 1186360), (266, 1057020), (280, 1004169), (285, 986552), (316, 889770), (380, 739914), (395, 711816), (399, 704680), (420, 669446), (446, 630420), (456, 616595), (474, 593180), (532, 528510), (553, 508440), (570, 493276), (632, 444885), (665, 422808), (669, 420280), (760, 369957), (790, 355908), (798, 352340), (840, 334723), (892, 315210), (948, 296590), (1064, 264255), (1106, 254220), (1115, 252168), (1140, 246638), (1185, 237272), (1330, 211404), (1338, 210140), (1501, 187320), (1561, 180120), (1580, 177954), (1596, 176170), (1659, 169480), (1784, 157605), (1896, 148295), (1995, 140936), (2212, 127110), (2230, 126084), (2280, 123319), (2370, 118636), (2660, 105702), (2676, 105070), (2765, 101688), (3002, 93660), (3122, 90060), (3160, 88977), (3192, 88085), (3318, 84740), (3345, 84056), (3990, 70468), (4237, 66360), (4424, 63555), (4460, 63042), (4503, 62440), (4683, 60040), (4740, 59318), (5320, 52851), (5352, 52535), (5530, 50844), (6004, 46830), (6244, 45030), (6636, 42370), (6690, 42028), (7505, 37464), (7805, 36024), (7980, 35234), (8295, 33896), (8474, 33180), (8920, 31521), (9006, 31220), (9366, 30020), (9480, 29659), (10507, 26760), (11060, 25422), (12008, 23415), (12488, 22515), (12711, 22120), (13272, 21185), (13380, 21014), (15010, 18732), (15610, 18012), (15960, 17617), (16590, 16948)]