86647980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 272321280

約数和(自身を除く): 185673300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 263, 285, 289, 323, 340, 380, 510, 526, 570, 578, 646, 789, 867, 969, 1020, 1052, 1140, 1156, 1292, 1315, 1445, 1578, 1615, 1734, 1938, 2630, 2890, 3156, 3230, 3468, 3876, 3945, 4335, 4471, 4845, 4997, 5260, 5491, 5780, 6460, 7890, 8670, 8942, 9690, 9994, 10982, 13413, 14991, 15780, 16473, 17340, 17884, 19380, 19988, 21964, 22355, 24985, 26826, 27455, 29982, 32946, 44710, 49970, 53652, 54910, 59964, 65892, 67065, 74955, 76007, 82365, 84949, 89420, 99940, 109820, 134130, 149910, 152014, 164730, 169898, 228021, 254847, 268260, 299820, 304028, 329460, 339796, 380035, 424745, 456042, 509694, 760070, 849490, 912084, 1019388, 1140105, 1274235, 1444133, 1520140, 1698980, 2280210, 2548470, 2888266, 4332399, 4560420, 5096940, 5776532, 7220665, 8664798, 14441330, 17329596, 21661995, 28882660, 43323990, 86647980]

約数ペア:

[(1, 86647980), (2, 43323990), (3, 28882660), (4, 21661995), (5, 17329596), (6, 14441330), (10, 8664798), (12, 7220665), (15, 5776532), (17, 5096940), (19, 4560420), (20, 4332399), (30, 2888266), (34, 2548470), (38, 2280210), (51, 1698980), (57, 1520140), (60, 1444133), (68, 1274235), (76, 1140105), (85, 1019388), (95, 912084), (102, 849490), (114, 760070), (170, 509694), (190, 456042), (204, 424745), (228, 380035), (255, 339796), (263, 329460), (285, 304028), (289, 299820), (323, 268260), (340, 254847), (380, 228021), (510, 169898), (526, 164730), (570, 152014), (578, 149910), (646, 134130), (789, 109820), (867, 99940), (969, 89420), (1020, 84949), (1052, 82365), (1140, 76007), (1156, 74955), (1292, 67065), (1315, 65892), (1445, 59964), (1578, 54910), (1615, 53652), (1734, 49970), (1938, 44710), (2630, 32946), (2890, 29982), (3156, 27455), (3230, 26826), (3468, 24985), (3876, 22355), (3945, 21964), (4335, 19988), (4471, 19380), (4845, 17884), (4997, 17340), (5260, 16473), (5491, 15780), (5780, 14991), (6460, 13413), (7890, 10982), (8670, 9994), (8942, 9690)]