21438920160

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{708959}}^1$

素因数の和:708990

約数の個数: 192

約数和(自身を含む): 85755801600

約数和(自身を除く): 64316881440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 708959, 1417918, 2126877, 2835836, 3544795, 4253754, 4962713, 5671672, 6380631, 7089590, 8507508, 9925426, 10634385, 11343344, 12761262, 14179180, 14888139, 17015016, 19141893, 19850852, 21268770, 22686688, 24813565, 25522524, 28358360, 29776278, 31903155, 34030032, 38283786, 39701704, 42537540, 44664417, 49627130, 51045048, 56716720, 59552556, 63806310, 68060064, 74440695, 76567572, 79403408, 85075080, 89328834, 95709465, 99254260, 102090096, 113433440, 119105112, 127612620, 133993251, 148881390, 153135144, 158806816, 170150160, 178657668, 191418930, 198508520, 204180192, 223322085, 238210224, 255225240, 267986502, 297762780, 306270288, 340300320, 357315336, 382837860, 397017040, 446644170, 476420448, 510450480, 535973004, 595525560, 612540576, 669966255, 714630672, 765675720, 794034080, 893288340, 1020900960, 1071946008, 1191051120, 1339932510, 1429261344, 1531351440, 1786576680, 2143892016, 2382102240, 2679865020, 3062702880, 3573153360, 4287784032, 5359730040, 7146306720, 10719460080, 21438920160]

約数ペア:

[(1, 21438920160), (2, 10719460080), (3, 7146306720), (4, 5359730040), (5, 4287784032), (6, 3573153360), (7, 3062702880), (8, 2679865020), (9, 2382102240), (10, 2143892016), (12, 1786576680), (14, 1531351440), (15, 1429261344), (16, 1339932510), (18, 1191051120), (20, 1071946008), (21, 1020900960), (24, 893288340), (27, 794034080), (28, 765675720), (30, 714630672), (32, 669966255), (35, 612540576), (36, 595525560), (40, 535973004), (42, 510450480), (45, 476420448), (48, 446644170), (54, 397017040), (56, 382837860), (60, 357315336), (63, 340300320), (70, 306270288), (72, 297762780), (80, 267986502), (84, 255225240), (90, 238210224), (96, 223322085), (105, 204180192), (108, 198508520), (112, 191418930), (120, 178657668), (126, 170150160), (135, 158806816), (140, 153135144), (144, 148881390), (160, 133993251), (168, 127612620), (180, 119105112), (189, 113433440), (210, 102090096), (216, 99254260), (224, 95709465), (240, 89328834), (252, 85075080), (270, 79403408), (280, 76567572), (288, 74440695), (315, 68060064), (336, 63806310), (360, 59552556), (378, 56716720), (420, 51045048), (432, 49627130), (480, 44664417), (504, 42537540), (540, 39701704), (560, 38283786), (630, 34030032), (672, 31903155), (720, 29776278), (756, 28358360), (840, 25522524), (864, 24813565), (945, 22686688), (1008, 21268770), (1080, 19850852), (1120, 19141893), (1260, 17015016), (1440, 14888139), (1512, 14179180), (1680, 12761262), (1890, 11343344), (2016, 10634385), (2160, 9925426), (2520, 8507508), (3024, 7089590), (3360, 6380631), (3780, 5671672), (4320, 4962713), (5040, 4253754), (6048, 3544795), (7560, 2835836), (10080, 2126877), (15120, 1417918), (30240, 708959)]