121511390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 299980800

約数和(自身を除く): 178469410

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 61, 65, 70, 77, 91, 110, 122, 130, 143, 154, 182, 199, 286, 305, 385, 398, 427, 455, 610, 671, 715, 770, 793, 854, 910, 995, 1001, 1342, 1393, 1430, 1586, 1990, 2002, 2135, 2189, 2587, 2786, 3355, 3965, 4270, 4378, 4697, 5005, 5174, 5551, 6710, 6965, 7930, 8723, 9394, 10010, 10945, 11102, 12139, 12935, 13930, 15323, 17446, 18109, 21890, 23485, 24278, 25870, 27755, 28457, 30646, 36218, 43615, 46970, 55510, 56914, 60695, 61061, 76615, 84973, 87230, 90545, 121390, 122122, 133529, 142285, 153230, 157807, 169946, 181090, 199199, 267058, 284570, 305305, 315614, 398398, 424865, 610610, 667645, 789035, 849730, 934703, 995995, 1104649, 1335290, 1578070, 1735877, 1869406, 1991990, 2209298, 3471754, 4673515, 5523245, 8679385, 9347030, 11046490, 12151139, 17358770, 24302278, 60755695, 121511390]

約数ペア:

[(1, 121511390), (2, 60755695), (5, 24302278), (7, 17358770), (10, 12151139), (11, 11046490), (13, 9347030), (14, 8679385), (22, 5523245), (26, 4673515), (35, 3471754), (55, 2209298), (61, 1991990), (65, 1869406), (70, 1735877), (77, 1578070), (91, 1335290), (110, 1104649), (122, 995995), (130, 934703), (143, 849730), (154, 789035), (182, 667645), (199, 610610), (286, 424865), (305, 398398), (385, 315614), (398, 305305), (427, 284570), (455, 267058), (610, 199199), (671, 181090), (715, 169946), (770, 157807), (793, 153230), (854, 142285), (910, 133529), (995, 122122), (1001, 121390), (1342, 90545), (1393, 87230), (1430, 84973), (1586, 76615), (1990, 61061), (2002, 60695), (2135, 56914), (2189, 55510), (2587, 46970), (2786, 43615), (3355, 36218), (3965, 30646), (4270, 28457), (4378, 27755), (4697, 25870), (5005, 24278), (5174, 23485), (5551, 21890), (6710, 18109), (6965, 17446), (7930, 15323), (8723, 13930), (9394, 12935), (10010, 12139), (10945, 11102)]