28296840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 256

約数和(自身を含む): 106686720

約数和(自身を除く): 78389880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 88, 97, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 187, 194, 195, 204, 220, 221, 255, 260, 264, 286, 291, 312, 330, 340, 374, 388, 390, 408, 429, 440, 442, 485, 510, 520, 561, 572, 582, 660, 663, 680, 715, 748, 776, 780, 858, 884, 935, 970, 1020, 1067, 1105, 1122, 1144, 1164, 1261, 1320, 1326, 1430, 1455, 1496, 1560, 1649, 1716, 1768, 1870, 1940, 2040, 2134, 2145, 2210, 2244, 2328, 2431, 2522, 2652, 2805, 2860, 2910, 3201, 3298, 3315, 3432, 3740, 3783, 3880, 4268, 4290, 4420, 4488, 4862, 4947, 5044, 5304, 5335, 5610, 5720, 5820, 6305, 6402, 6596, 6630, 7293, 7480, 7566, 8245, 8536, 8580, 8840, 9724, 9894, 10088, 10670, 11220, 11640, 12155, 12610, 12804, 13192, 13260, 13871, 14586, 15132, 16005, 16490, 17160, 18139, 18915, 19448, 19788, 21340, 21437, 22440, 24310, 24735, 25220, 25608, 26520, 27742, 29172, 30264, 32010, 32980, 36278, 36465, 37830, 39576, 41613, 42680, 42874, 48620, 49470, 50440, 54417, 55484, 58344, 64020, 64311, 65960, 69355, 72556, 72930, 75660, 83226, 85748, 90695, 97240, 98940, 107185, 108834, 110968, 128040, 128622, 138710, 145112, 145860, 151320, 166452, 171496, 181390, 197880, 208065, 214370, 217668, 235807, 257244, 272085, 277420, 291720, 321555, 332904, 362780, 416130, 428740, 435336, 471614, 514488, 544170, 554840, 643110, 707421, 725560, 832260, 857480, 943228, 1088340, 1179035, 1286220, 1414842, 1664520, 1886456, 2176680, 2358070, 2572440, 2829684, 3537105, 4716140, 5659368, 7074210, 9432280, 14148420, 28296840]

約数ペア:

[(1, 28296840), (2, 14148420), (3, 9432280), (4, 7074210), (5, 5659368), (6, 4716140), (8, 3537105), (10, 2829684), (11, 2572440), (12, 2358070), (13, 2176680), (15, 1886456), (17, 1664520), (20, 1414842), (22, 1286220), (24, 1179035), (26, 1088340), (30, 943228), (33, 857480), (34, 832260), (39, 725560), (40, 707421), (44, 643110), (51, 554840), (52, 544170), (55, 514488), (60, 471614), (65, 435336), (66, 428740), (68, 416130), (78, 362780), (85, 332904), (88, 321555), (97, 291720), (102, 277420), (104, 272085), (110, 257244), (120, 235807), (130, 217668), (132, 214370), (136, 208065), (143, 197880), (156, 181390), (165, 171496), (170, 166452), (187, 151320), (194, 145860), (195, 145112), (204, 138710), (220, 128622), (221, 128040), (255, 110968), (260, 108834), (264, 107185), (286, 98940), (291, 97240), (312, 90695), (330, 85748), (340, 83226), (374, 75660), (388, 72930), (390, 72556), (408, 69355), (429, 65960), (440, 64311), (442, 64020), (485, 58344), (510, 55484), (520, 54417), (561, 50440), (572, 49470), (582, 48620), (660, 42874), (663, 42680), (680, 41613), (715, 39576), (748, 37830), (776, 36465), (780, 36278), (858, 32980), (884, 32010), (935, 30264), (970, 29172), (1020, 27742), (1067, 26520), (1105, 25608), (1122, 25220), (1144, 24735), (1164, 24310), (1261, 22440), (1320, 21437), (1326, 21340), (1430, 19788), (1455, 19448), (1496, 18915), (1560, 18139), (1649, 17160), (1716, 16490), (1768, 16005), (1870, 15132), (1940, 14586), (2040, 13871), (2134, 13260), (2145, 13192), (2210, 12804), (2244, 12610), (2328, 12155), (2431, 11640), (2522, 11220), (2652, 10670), (2805, 10088), (2860, 9894), (2910, 9724), (3201, 8840), (3298, 8580), (3315, 8536), (3432, 8245), (3740, 7566), (3783, 7480), (3880, 7293), (4268, 6630), (4290, 6596), (4420, 6402), (4488, 6305), (4862, 5820), (4947, 5720), (5044, 5610), (5304, 5335)]