642120048

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:421

約数の個数: 200

約数和(自身を含む): 1985029200

約数和(自身を除く): 1342909152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 89, 108, 114, 144, 152, 162, 171, 178, 216, 228, 267, 293, 304, 324, 342, 356, 432, 456, 513, 534, 586, 648, 684, 712, 801, 879, 912, 1026, 1068, 1172, 1296, 1368, 1424, 1539, 1602, 1691, 1758, 2052, 2136, 2344, 2403, 2637, 2736, 3078, 3204, 3382, 3516, 4104, 4272, 4688, 4806, 5073, 5274, 5567, 6156, 6408, 6764, 7032, 7209, 7911, 8208, 9612, 10146, 10548, 11134, 12312, 12816, 13528, 14064, 14418, 15219, 15822, 16701, 19224, 20292, 21096, 22268, 23733, 24624, 26077, 27056, 28836, 30438, 31644, 33402, 38448, 40584, 42192, 44536, 45657, 47466, 50103, 52154, 57672, 60876, 63288, 66804, 78231, 81168, 89072, 91314, 94932, 100206, 104308, 115344, 121752, 126576, 133608, 136971, 150309, 156462, 182628, 189864, 200412, 208616, 234693, 243504, 267216, 273942, 300618, 312924, 365256, 379728, 400824, 417232, 450927, 469386, 495463, 547884, 601236, 625848, 704079, 730512, 801648, 901854, 938772, 990926, 1095768, 1202472, 1251696, 1408158, 1486389, 1803708, 1877544, 1981852, 2112237, 2191536, 2404944, 2816316, 2972778, 3607416, 3755088, 3963704, 4224474, 4459167, 5632632, 5945556, 7214832, 7927408, 8448948, 8918334, 11265264, 11891112, 13377501, 16897896, 17836668, 23782224, 26755002, 33795792, 35673336, 40132503, 53510004, 71346672, 80265006, 107020008, 160530012, 214040016, 321060024, 642120048]

約数ペア:

[(1, 642120048), (2, 321060024), (3, 214040016), (4, 160530012), (6, 107020008), (8, 80265006), (9, 71346672), (12, 53510004), (16, 40132503), (18, 35673336), (19, 33795792), (24, 26755002), (27, 23782224), (36, 17836668), (38, 16897896), (48, 13377501), (54, 11891112), (57, 11265264), (72, 8918334), (76, 8448948), (81, 7927408), (89, 7214832), (108, 5945556), (114, 5632632), (144, 4459167), (152, 4224474), (162, 3963704), (171, 3755088), (178, 3607416), (216, 2972778), (228, 2816316), (267, 2404944), (293, 2191536), (304, 2112237), (324, 1981852), (342, 1877544), (356, 1803708), (432, 1486389), (456, 1408158), (513, 1251696), (534, 1202472), (586, 1095768), (648, 990926), (684, 938772), (712, 901854), (801, 801648), (879, 730512), (912, 704079), (1026, 625848), (1068, 601236), (1172, 547884), (1296, 495463), (1368, 469386), (1424, 450927), (1539, 417232), (1602, 400824), (1691, 379728), (1758, 365256), (2052, 312924), (2136, 300618), (2344, 273942), (2403, 267216), (2637, 243504), (2736, 234693), (3078, 208616), (3204, 200412), (3382, 189864), (3516, 182628), (4104, 156462), (4272, 150309), (4688, 136971), (4806, 133608), (5073, 126576), (5274, 121752), (5567, 115344), (6156, 104308), (6408, 100206), (6764, 94932), (7032, 91314), (7209, 89072), (7911, 81168), (8208, 78231), (9612, 66804), (10146, 63288), (10548, 60876), (11134, 57672), (12312, 52154), (12816, 50103), (13528, 47466), (14064, 45657), (14418, 44536), (15219, 42192), (15822, 40584), (16701, 38448), (19224, 33402), (20292, 31644), (21096, 30438), (22268, 28836), (23733, 27056), (24624, 26077)]