78884820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 192

約数和(自身を含む): 287884800

約数和(自身を除く): 208999980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 82, 84, 90, 105, 108, 123, 126, 135, 140, 164, 180, 189, 205, 210, 246, 252, 270, 287, 315, 369, 378, 410, 420, 492, 509, 540, 574, 615, 630, 738, 756, 820, 861, 945, 1018, 1107, 1148, 1230, 1260, 1435, 1476, 1527, 1722, 1845, 1890, 2036, 2214, 2460, 2545, 2583, 2870, 3054, 3444, 3563, 3690, 3780, 4305, 4428, 4581, 5090, 5166, 5535, 5740, 6108, 7126, 7380, 7635, 7749, 8610, 9162, 10180, 10332, 10689, 11070, 12915, 13743, 14252, 15270, 15498, 17220, 17815, 18324, 20869, 21378, 22140, 22905, 25830, 27486, 30540, 30996, 32067, 35630, 38745, 41738, 42756, 45810, 51660, 53445, 54972, 62607, 64134, 68715, 71260, 77490, 83476, 91620, 96201, 104345, 106890, 125214, 128268, 137430, 146083, 154980, 160335, 187821, 192402, 208690, 213780, 250428, 274860, 292166, 313035, 320670, 375642, 384804, 417380, 438249, 481005, 563463, 584332, 626070, 641340, 730415, 751284, 876498, 939105, 962010, 1126926, 1252140, 1314747, 1460830, 1752996, 1878210, 1924020, 2191245, 2253852, 2629494, 2817315, 2921660, 3756420, 3944241, 4382490, 5258988, 5634630, 6573735, 7888482, 8764980, 11269260, 13147470, 15776964, 19721205, 26294940, 39442410, 78884820]

約数ペア:

[(1, 78884820), (2, 39442410), (3, 26294940), (4, 19721205), (5, 15776964), (6, 13147470), (7, 11269260), (9, 8764980), (10, 7888482), (12, 6573735), (14, 5634630), (15, 5258988), (18, 4382490), (20, 3944241), (21, 3756420), (27, 2921660), (28, 2817315), (30, 2629494), (35, 2253852), (36, 2191245), (41, 1924020), (42, 1878210), (45, 1752996), (54, 1460830), (60, 1314747), (63, 1252140), (70, 1126926), (82, 962010), (84, 939105), (90, 876498), (105, 751284), (108, 730415), (123, 641340), (126, 626070), (135, 584332), (140, 563463), (164, 481005), (180, 438249), (189, 417380), (205, 384804), (210, 375642), (246, 320670), (252, 313035), (270, 292166), (287, 274860), (315, 250428), (369, 213780), (378, 208690), (410, 192402), (420, 187821), (492, 160335), (509, 154980), (540, 146083), (574, 137430), (615, 128268), (630, 125214), (738, 106890), (756, 104345), (820, 96201), (861, 91620), (945, 83476), (1018, 77490), (1107, 71260), (1148, 68715), (1230, 64134), (1260, 62607), (1435, 54972), (1476, 53445), (1527, 51660), (1722, 45810), (1845, 42756), (1890, 41738), (2036, 38745), (2214, 35630), (2460, 32067), (2545, 30996), (2583, 30540), (2870, 27486), (3054, 25830), (3444, 22905), (3563, 22140), (3690, 21378), (3780, 20869), (4305, 18324), (4428, 17815), (4581, 17220), (5090, 15498), (5166, 15270), (5535, 14252), (5740, 13743), (6108, 12915), (7126, 11070), (7380, 10689), (7635, 10332), (7749, 10180), (8610, 9162)]