18309720

素因数分解:

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

素因数の和:146

約数の個数: 192

約数和(自身を含む): 65691360

約数和(自身を除く): 47381640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 97, 104, 110, 120, 121, 130, 132, 143, 156, 165, 194, 195, 220, 242, 260, 264, 286, 291, 312, 330, 363, 388, 390, 429, 440, 484, 485, 520, 572, 582, 605, 660, 715, 726, 776, 780, 858, 968, 970, 1067, 1144, 1164, 1210, 1261, 1320, 1430, 1452, 1455, 1560, 1573, 1716, 1815, 1940, 2134, 2145, 2328, 2420, 2522, 2860, 2904, 2910, 3146, 3201, 3432, 3630, 3783, 3880, 4268, 4290, 4719, 4840, 5044, 5335, 5720, 5820, 6292, 6305, 6402, 7260, 7566, 7865, 8536, 8580, 9438, 10088, 10670, 11640, 11737, 12584, 12610, 12804, 13871, 14520, 15132, 15730, 16005, 17160, 18876, 18915, 21340, 23474, 23595, 25220, 25608, 27742, 30264, 31460, 32010, 35211, 37752, 37830, 41613, 42680, 46948, 47190, 50440, 55484, 58685, 62920, 64020, 69355, 70422, 75660, 83226, 93896, 94380, 110968, 117370, 128040, 138710, 140844, 151320, 152581, 166452, 176055, 188760, 208065, 234740, 277420, 281688, 305162, 332904, 352110, 416130, 457743, 469480, 554840, 610324, 704220, 762905, 832260, 915486, 1220648, 1408440, 1525810, 1664520, 1830972, 2288715, 3051620, 3661944, 4577430, 6103240, 9154860, 18309720]

約数ペア:

[(1, 18309720), (2, 9154860), (3, 6103240), (4, 4577430), (5, 3661944), (6, 3051620), (8, 2288715), (10, 1830972), (11, 1664520), (12, 1525810), (13, 1408440), (15, 1220648), (20, 915486), (22, 832260), (24, 762905), (26, 704220), (30, 610324), (33, 554840), (39, 469480), (40, 457743), (44, 416130), (52, 352110), (55, 332904), (60, 305162), (65, 281688), (66, 277420), (78, 234740), (88, 208065), (97, 188760), (104, 176055), (110, 166452), (120, 152581), (121, 151320), (130, 140844), (132, 138710), (143, 128040), (156, 117370), (165, 110968), (194, 94380), (195, 93896), (220, 83226), (242, 75660), (260, 70422), (264, 69355), (286, 64020), (291, 62920), (312, 58685), (330, 55484), (363, 50440), (388, 47190), (390, 46948), (429, 42680), (440, 41613), (484, 37830), (485, 37752), (520, 35211), (572, 32010), (582, 31460), (605, 30264), (660, 27742), (715, 25608), (726, 25220), (776, 23595), (780, 23474), (858, 21340), (968, 18915), (970, 18876), (1067, 17160), (1144, 16005), (1164, 15730), (1210, 15132), (1261, 14520), (1320, 13871), (1430, 12804), (1452, 12610), (1455, 12584), (1560, 11737), (1573, 11640), (1716, 10670), (1815, 10088), (1940, 9438), (2134, 8580), (2145, 8536), (2328, 7865), (2420, 7566), (2522, 7260), (2860, 6402), (2904, 6305), (2910, 6292), (3146, 5820), (3201, 5720), (3432, 5335), (3630, 5044), (3783, 4840), (3880, 4719), (4268, 4290)]