30941880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 100396800

約数和(自身を除く): 69454920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 246, 285, 328, 331, 380, 410, 456, 492, 570, 615, 662, 760, 779, 820, 984, 993, 1140, 1230, 1324, 1558, 1640, 1655, 1986, 2280, 2337, 2460, 2648, 3116, 3310, 3895, 3972, 4674, 4920, 4965, 6232, 6289, 6620, 7790, 7944, 9348, 9930, 11685, 12578, 13240, 13571, 15580, 18696, 18867, 19860, 23370, 25156, 27142, 31160, 31445, 37734, 39720, 40713, 46740, 50312, 54284, 62890, 67855, 75468, 81426, 93480, 94335, 108568, 125780, 135710, 150936, 162852, 188670, 203565, 251560, 257849, 271420, 325704, 377340, 407130, 515698, 542840, 754680, 773547, 814260, 1031396, 1289245, 1547094, 1628520, 2062792, 2578490, 3094188, 3867735, 5156980, 6188376, 7735470, 10313960, 15470940, 30941880]

約数ペア:

[(1, 30941880), (2, 15470940), (3, 10313960), (4, 7735470), (5, 6188376), (6, 5156980), (8, 3867735), (10, 3094188), (12, 2578490), (15, 2062792), (19, 1628520), (20, 1547094), (24, 1289245), (30, 1031396), (38, 814260), (40, 773547), (41, 754680), (57, 542840), (60, 515698), (76, 407130), (82, 377340), (95, 325704), (114, 271420), (120, 257849), (123, 251560), (152, 203565), (164, 188670), (190, 162852), (205, 150936), (228, 135710), (246, 125780), (285, 108568), (328, 94335), (331, 93480), (380, 81426), (410, 75468), (456, 67855), (492, 62890), (570, 54284), (615, 50312), (662, 46740), (760, 40713), (779, 39720), (820, 37734), (984, 31445), (993, 31160), (1140, 27142), (1230, 25156), (1324, 23370), (1558, 19860), (1640, 18867), (1655, 18696), (1986, 15580), (2280, 13571), (2337, 13240), (2460, 12578), (2648, 11685), (3116, 9930), (3310, 9348), (3895, 7944), (3972, 7790), (4674, 6620), (4920, 6289), (4965, 6232)]