18868990320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{53813}}^1$

素因数の和:54319

約数の個数: 120

約数和(自身を含む): 63499658976

約数和(自身を除く): 44630668656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 487, 720, 974, 1461, 1948, 2435, 2922, 3896, 4383, 4870, 5844, 7305, 7792, 8766, 9740, 11688, 14610, 17532, 19480, 21915, 23376, 29220, 35064, 38960, 43830, 53813, 58440, 70128, 87660, 107626, 116880, 161439, 175320, 215252, 269065, 322878, 350640, 430504, 484317, 538130, 645756, 807195, 861008, 968634, 1076260, 1291512, 1614390, 1937268, 2152520, 2421585, 2583024, 3228780, 3874536, 4305040, 4843170, 6457560, 7749072, 9686340, 12915120, 19372680, 26206931, 38745360, 52413862, 78620793, 104827724, 131034655, 157241586, 209655448, 235862379, 262069310, 314483172, 393103965, 419310896, 471724758, 524138620, 628966344, 786207930, 943449516, 1048277240, 1179311895, 1257932688, 1572415860, 1886899032, 2096554480, 2358623790, 3144831720, 3773798064, 4717247580, 6289663440, 9434495160, 18868990320]

約数ペア:

[(1, 18868990320), (2, 9434495160), (3, 6289663440), (4, 4717247580), (5, 3773798064), (6, 3144831720), (8, 2358623790), (9, 2096554480), (10, 1886899032), (12, 1572415860), (15, 1257932688), (16, 1179311895), (18, 1048277240), (20, 943449516), (24, 786207930), (30, 628966344), (36, 524138620), (40, 471724758), (45, 419310896), (48, 393103965), (60, 314483172), (72, 262069310), (80, 235862379), (90, 209655448), (120, 157241586), (144, 131034655), (180, 104827724), (240, 78620793), (360, 52413862), (487, 38745360), (720, 26206931), (974, 19372680), (1461, 12915120), (1948, 9686340), (2435, 7749072), (2922, 6457560), (3896, 4843170), (4383, 4305040), (4870, 3874536), (5844, 3228780), (7305, 2583024), (7792, 2421585), (8766, 2152520), (9740, 1937268), (11688, 1614390), (14610, 1291512), (17532, 1076260), (19480, 968634), (21915, 861008), (23376, 807195), (29220, 645756), (35064, 538130), (38960, 484317), (43830, 430504), (53813, 350640), (58440, 322878), (70128, 269065), (87660, 215252), (107626, 175320), (116880, 161439)]