172173870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 128

約数和(自身を含む): 518400000

約数和(自身を除く): 346226130

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 29, 30, 33, 45, 54, 55, 58, 66, 87, 90, 99, 110, 135, 145, 165, 174, 198, 261, 270, 290, 297, 319, 330, 435, 495, 522, 594, 638, 783, 870, 957, 990, 1305, 1485, 1566, 1595, 1914, 1999, 2610, 2871, 2970, 3190, 3915, 3998, 4785, 5742, 5997, 7830, 8613, 9570, 9995, 11994, 14355, 17226, 17991, 19990, 21989, 28710, 29985, 35982, 43065, 43978, 53973, 57971, 59970, 65967, 86130, 89955, 107946, 109945, 115942, 131934, 173913, 179910, 197901, 219890, 269865, 289855, 329835, 347826, 395802, 521739, 539730, 579710, 593703, 637681, 659670, 869565, 989505, 1043478, 1187406, 1275362, 1565217, 1739130, 1913043, 1979010, 2608695, 2968515, 3130434, 3188405, 3826086, 5217390, 5739129, 5937030, 6376810, 7826085, 9565215, 11478258, 15652170, 17217387, 19130430, 28695645, 34434774, 57391290, 86086935, 172173870]

約数ペア:

[(1, 172173870), (2, 86086935), (3, 57391290), (5, 34434774), (6, 28695645), (9, 19130430), (10, 17217387), (11, 15652170), (15, 11478258), (18, 9565215), (22, 7826085), (27, 6376810), (29, 5937030), (30, 5739129), (33, 5217390), (45, 3826086), (54, 3188405), (55, 3130434), (58, 2968515), (66, 2608695), (87, 1979010), (90, 1913043), (99, 1739130), (110, 1565217), (135, 1275362), (145, 1187406), (165, 1043478), (174, 989505), (198, 869565), (261, 659670), (270, 637681), (290, 593703), (297, 579710), (319, 539730), (330, 521739), (435, 395802), (495, 347826), (522, 329835), (594, 289855), (638, 269865), (783, 219890), (870, 197901), (957, 179910), (990, 173913), (1305, 131934), (1485, 115942), (1566, 109945), (1595, 107946), (1914, 89955), (1999, 86130), (2610, 65967), (2871, 59970), (2970, 57971), (3190, 53973), (3915, 43978), (3998, 43065), (4785, 35982), (5742, 29985), (5997, 28710), (7830, 21989), (8613, 19990), (9570, 17991), (9995, 17226), (11994, 14355)]