642068784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:548

約数の個数: 240

約数和(自身を含む): 2204055360

約数和(自身を除く): 1561986576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 89, 102, 112, 119, 126, 136, 144, 153, 168, 178, 204, 238, 252, 267, 272, 306, 336, 356, 357, 408, 421, 476, 504, 534, 612, 623, 712, 714, 801, 816, 842, 952, 1008, 1068, 1071, 1224, 1246, 1263, 1424, 1428, 1513, 1602, 1684, 1869, 1904, 2136, 2142, 2448, 2492, 2526, 2856, 2947, 3026, 3204, 3368, 3738, 3789, 4272, 4284, 4539, 4984, 5052, 5607, 5712, 5894, 6052, 6408, 6736, 7157, 7476, 7578, 8568, 8841, 9078, 9968, 10104, 10591, 11214, 11788, 12104, 12816, 13617, 14314, 14952, 15156, 17136, 17682, 18156, 20208, 21182, 21471, 22428, 23576, 24208, 26523, 27234, 28628, 29904, 30312, 31773, 35364, 36312, 37469, 42364, 42942, 44856, 47152, 50099, 53046, 54468, 57256, 60624, 63546, 64413, 70728, 72624, 74938, 84728, 85884, 89712, 95319, 100198, 106092, 108936, 112407, 114512, 127092, 128826, 141456, 149876, 150297, 169456, 171768, 190638, 200396, 212184, 217872, 224814, 254184, 257652, 262283, 299752, 300594, 337221, 343536, 381276, 400792, 424368, 449628, 450891, 508368, 515304, 524566, 599504, 601188, 636973, 674442, 762552, 786849, 801584, 899256, 901782, 1030608, 1049132, 1202376, 1273946, 1348884, 1525104, 1573698, 1798512, 1803564, 1910919, 2098264, 2360547, 2404752, 2547892, 2697768, 3147396, 3607128, 3821838, 4196528, 4458811, 4721094, 5095784, 5395536, 5732757, 6294792, 7214256, 7643676, 8917622, 9442188, 10191568, 11465514, 12589584, 13376433, 15287352, 17835244, 18884376, 22931028, 26752866, 30574704, 35670488, 37768752, 40129299, 45862056, 53505732, 71340976, 80258598, 91724112, 107011464, 160517196, 214022928, 321034392, 642068784]

約数ペア:

[(1, 642068784), (2, 321034392), (3, 214022928), (4, 160517196), (6, 107011464), (7, 91724112), (8, 80258598), (9, 71340976), (12, 53505732), (14, 45862056), (16, 40129299), (17, 37768752), (18, 35670488), (21, 30574704), (24, 26752866), (28, 22931028), (34, 18884376), (36, 17835244), (42, 15287352), (48, 13376433), (51, 12589584), (56, 11465514), (63, 10191568), (68, 9442188), (72, 8917622), (84, 7643676), (89, 7214256), (102, 6294792), (112, 5732757), (119, 5395536), (126, 5095784), (136, 4721094), (144, 4458811), (153, 4196528), (168, 3821838), (178, 3607128), (204, 3147396), (238, 2697768), (252, 2547892), (267, 2404752), (272, 2360547), (306, 2098264), (336, 1910919), (356, 1803564), (357, 1798512), (408, 1573698), (421, 1525104), (476, 1348884), (504, 1273946), (534, 1202376), (612, 1049132), (623, 1030608), (712, 901782), (714, 899256), (801, 801584), (816, 786849), (842, 762552), (952, 674442), (1008, 636973), (1068, 601188), (1071, 599504), (1224, 524566), (1246, 515304), (1263, 508368), (1424, 450891), (1428, 449628), (1513, 424368), (1602, 400792), (1684, 381276), (1869, 343536), (1904, 337221), (2136, 300594), (2142, 299752), (2448, 262283), (2492, 257652), (2526, 254184), (2856, 224814), (2947, 217872), (3026, 212184), (3204, 200396), (3368, 190638), (3738, 171768), (3789, 169456), (4272, 150297), (4284, 149876), (4539, 141456), (4984, 128826), (5052, 127092), (5607, 114512), (5712, 112407), (5894, 108936), (6052, 106092), (6408, 100198), (6736, 95319), (7157, 89712), (7476, 85884), (7578, 84728), (8568, 74938), (8841, 72624), (9078, 70728), (9968, 64413), (10104, 63546), (10591, 60624), (11214, 57256), (11788, 54468), (12104, 53046), (12816, 50099), (13617, 47152), (14314, 44856), (14952, 42942), (15156, 42364), (17136, 37469), (17682, 36312), (18156, 35364), (20208, 31773), (21182, 30312), (21471, 29904), (22428, 28628), (23576, 27234), (24208, 26523)]