121897920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 224

約数和(自身を含む): 419892480

約数和(自身を除く): 297994560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 41, 48, 57, 60, 64, 76, 80, 82, 95, 96, 114, 120, 123, 152, 160, 163, 164, 190, 192, 205, 228, 240, 246, 285, 304, 320, 326, 328, 380, 410, 456, 480, 489, 492, 570, 608, 615, 652, 656, 760, 779, 815, 820, 912, 960, 978, 984, 1140, 1216, 1230, 1304, 1312, 1520, 1558, 1630, 1640, 1824, 1956, 1968, 2280, 2337, 2445, 2460, 2608, 2624, 3040, 3097, 3116, 3260, 3280, 3648, 3895, 3912, 3936, 4560, 4674, 4890, 4920, 5216, 6080, 6194, 6232, 6520, 6560, 6683, 7790, 7824, 7872, 9120, 9291, 9348, 9780, 9840, 10432, 11685, 12388, 12464, 13040, 13120, 13366, 15485, 15580, 15648, 18240, 18582, 18696, 19560, 19680, 20049, 23370, 24776, 24928, 26080, 26732, 30970, 31160, 31296, 33415, 37164, 37392, 39120, 39360, 40098, 46455, 46740, 49552, 49856, 52160, 53464, 61940, 62320, 66830, 74328, 74784, 78240, 80196, 92910, 93480, 99104, 100245, 106928, 123880, 124640, 126977, 133660, 148656, 149568, 156480, 160392, 185820, 186960, 198208, 200490, 213856, 247760, 249280, 253954, 267320, 297312, 320784, 371640, 373920, 380931, 400980, 427712, 495520, 507908, 534640, 594624, 634885, 641568, 743280, 747840, 761862, 801960, 991040, 1015816, 1069280, 1269770, 1283136, 1486560, 1523724, 1603920, 1904655, 2031632, 2138560, 2539540, 2973120, 3047448, 3207840, 3809310, 4063264, 5079080, 6094896, 6415680, 7618620, 8126528, 10158160, 12189792, 15237240, 20316320, 24379584, 30474480, 40632640, 60948960, 121897920]

約数ペア:

[(1, 121897920), (2, 60948960), (3, 40632640), (4, 30474480), (5, 24379584), (6, 20316320), (8, 15237240), (10, 12189792), (12, 10158160), (15, 8126528), (16, 7618620), (19, 6415680), (20, 6094896), (24, 5079080), (30, 4063264), (32, 3809310), (38, 3207840), (40, 3047448), (41, 2973120), (48, 2539540), (57, 2138560), (60, 2031632), (64, 1904655), (76, 1603920), (80, 1523724), (82, 1486560), (95, 1283136), (96, 1269770), (114, 1069280), (120, 1015816), (123, 991040), (152, 801960), (160, 761862), (163, 747840), (164, 743280), (190, 641568), (192, 634885), (205, 594624), (228, 534640), (240, 507908), (246, 495520), (285, 427712), (304, 400980), (320, 380931), (326, 373920), (328, 371640), (380, 320784), (410, 297312), (456, 267320), (480, 253954), (489, 249280), (492, 247760), (570, 213856), (608, 200490), (615, 198208), (652, 186960), (656, 185820), (760, 160392), (779, 156480), (815, 149568), (820, 148656), (912, 133660), (960, 126977), (978, 124640), (984, 123880), (1140, 106928), (1216, 100245), (1230, 99104), (1304, 93480), (1312, 92910), (1520, 80196), (1558, 78240), (1630, 74784), (1640, 74328), (1824, 66830), (1956, 62320), (1968, 61940), (2280, 53464), (2337, 52160), (2445, 49856), (2460, 49552), (2608, 46740), (2624, 46455), (3040, 40098), (3097, 39360), (3116, 39120), (3260, 37392), (3280, 37164), (3648, 33415), (3895, 31296), (3912, 31160), (3936, 30970), (4560, 26732), (4674, 26080), (4890, 24928), (4920, 24776), (5216, 23370), (6080, 20049), (6194, 19680), (6232, 19560), (6520, 18696), (6560, 18582), (6683, 18240), (7790, 15648), (7824, 15580), (7872, 15485), (9120, 13366), (9291, 13120), (9348, 13040), (9780, 12464), (9840, 12388), (10432, 11685)]