1267934720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1296

約数の個数: 160

約数和(自身を含む): 3382283520

約数和(自身を除く): 2114348800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1040, 1229, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2458, 2480, 2560, 3224, 3328, 3968, 4030, 4160, 4916, 4960, 6145, 6448, 6656, 7936, 8060, 8320, 9832, 9920, 12290, 12896, 15872, 15977, 16120, 16640, 19664, 19840, 24580, 25792, 31954, 32240, 33280, 38099, 39328, 39680, 49160, 51584, 63908, 64480, 76198, 78656, 79360, 79885, 98320, 103168, 127816, 128960, 152396, 157312, 159770, 190495, 196640, 206336, 255632, 257920, 304792, 314624, 319540, 380990, 393280, 495287, 511264, 515840, 609584, 629248, 639080, 761980, 786560, 990574, 1022528, 1031680, 1219168, 1278160, 1523960, 1573120, 1981148, 2045056, 2438336, 2476435, 2556320, 3047920, 3146240, 3962296, 4090112, 4876672, 4952870, 5112640, 6095840, 7924592, 8180224, 9753344, 9905740, 10225280, 12191680, 15849184, 19506688, 19811480, 20450560, 24383360, 31698368, 39622960, 40901120, 48766720, 63396736, 79245920, 97533440, 126793472, 158491840, 253586944, 316983680, 633967360, 1267934720]

約数ペア:

[(1, 1267934720), (2, 633967360), (4, 316983680), (5, 253586944), (8, 158491840), (10, 126793472), (13, 97533440), (16, 79245920), (20, 63396736), (26, 48766720), (31, 40901120), (32, 39622960), (40, 31698368), (52, 24383360), (62, 20450560), (64, 19811480), (65, 19506688), (80, 15849184), (104, 12191680), (124, 10225280), (128, 9905740), (130, 9753344), (155, 8180224), (160, 7924592), (208, 6095840), (248, 5112640), (256, 4952870), (260, 4876672), (310, 4090112), (320, 3962296), (403, 3146240), (416, 3047920), (496, 2556320), (512, 2476435), (520, 2438336), (620, 2045056), (640, 1981148), (806, 1573120), (832, 1523960), (992, 1278160), (1040, 1219168), (1229, 1031680), (1240, 1022528), (1280, 990574), (1612, 786560), (1664, 761980), (1984, 639080), (2015, 629248), (2080, 609584), (2458, 515840), (2480, 511264), (2560, 495287), (3224, 393280), (3328, 380990), (3968, 319540), (4030, 314624), (4160, 304792), (4916, 257920), (4960, 255632), (6145, 206336), (6448, 196640), (6656, 190495), (7936, 159770), (8060, 157312), (8320, 152396), (9832, 128960), (9920, 127816), (12290, 103168), (12896, 98320), (15872, 79885), (15977, 79360), (16120, 78656), (16640, 76198), (19664, 64480), (19840, 63908), (24580, 51584), (25792, 49160), (31954, 39680), (32240, 39328), (33280, 38099)]