68379780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 236984832

約数和(自身を除く): 168605052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 61, 68, 70, 84, 85, 102, 105, 119, 122, 140, 157, 170, 183, 204, 210, 238, 244, 255, 305, 314, 340, 357, 366, 420, 427, 471, 476, 510, 595, 610, 628, 714, 732, 785, 854, 915, 942, 1020, 1037, 1099, 1190, 1220, 1281, 1428, 1570, 1708, 1785, 1830, 1884, 2074, 2135, 2198, 2355, 2380, 2562, 2669, 3111, 3140, 3297, 3570, 3660, 4148, 4270, 4396, 4710, 5124, 5185, 5338, 5495, 6222, 6405, 6594, 7140, 7259, 8007, 8540, 9420, 9577, 10370, 10676, 10990, 12444, 12810, 13188, 13345, 14518, 15555, 16014, 16485, 18683, 19154, 20740, 21777, 21980, 25620, 26690, 28731, 29036, 31110, 32028, 32970, 36295, 37366, 38308, 40035, 43554, 47885, 53380, 56049, 57462, 62220, 65940, 67039, 72590, 74732, 80070, 87108, 93415, 95770, 108885, 112098, 114924, 134078, 143655, 145180, 160140, 162809, 186830, 191540, 201117, 217770, 224196, 268156, 280245, 287310, 325618, 335195, 373660, 402234, 435540, 488427, 560490, 574620, 651236, 670390, 804468, 814045, 976854, 1005585, 1120980, 1139663, 1340780, 1628090, 1953708, 2011170, 2279326, 2442135, 3256180, 3418989, 4022340, 4558652, 4884270, 5698315, 6837978, 9768540, 11396630, 13675956, 17094945, 22793260, 34189890, 68379780]

約数ペア:

[(1, 68379780), (2, 34189890), (3, 22793260), (4, 17094945), (5, 13675956), (6, 11396630), (7, 9768540), (10, 6837978), (12, 5698315), (14, 4884270), (15, 4558652), (17, 4022340), (20, 3418989), (21, 3256180), (28, 2442135), (30, 2279326), (34, 2011170), (35, 1953708), (42, 1628090), (51, 1340780), (60, 1139663), (61, 1120980), (68, 1005585), (70, 976854), (84, 814045), (85, 804468), (102, 670390), (105, 651236), (119, 574620), (122, 560490), (140, 488427), (157, 435540), (170, 402234), (183, 373660), (204, 335195), (210, 325618), (238, 287310), (244, 280245), (255, 268156), (305, 224196), (314, 217770), (340, 201117), (357, 191540), (366, 186830), (420, 162809), (427, 160140), (471, 145180), (476, 143655), (510, 134078), (595, 114924), (610, 112098), (628, 108885), (714, 95770), (732, 93415), (785, 87108), (854, 80070), (915, 74732), (942, 72590), (1020, 67039), (1037, 65940), (1099, 62220), (1190, 57462), (1220, 56049), (1281, 53380), (1428, 47885), (1570, 43554), (1708, 40035), (1785, 38308), (1830, 37366), (1884, 36295), (2074, 32970), (2135, 32028), (2198, 31110), (2355, 29036), (2380, 28731), (2562, 26690), (2669, 25620), (3111, 21980), (3140, 21777), (3297, 20740), (3570, 19154), (3660, 18683), (4148, 16485), (4270, 16014), (4396, 15555), (4710, 14518), (5124, 13345), (5185, 13188), (5338, 12810), (5495, 12444), (6222, 10990), (6405, 10676), (6594, 10370), (7140, 9577), (7259, 9420), (8007, 8540)]