64903620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 204240960

約数和(自身を除く): 139337340

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, 197, 204, 228, 255, 285, 289, 323, 340, 380, 394, 510, 570, 578, 591, 646, 788, 867, 969, 985, 1020, 1140, 1156, 1182, 1292, 1445, 1615, 1734, 1938, 1970, 2364, 2890, 2955, 3230, 3349, 3468, 3743, 3876, 3940, 4335, 4845, 5491, 5780, 5910, 6460, 6698, 7486, 8670, 9690, 10047, 10982, 11229, 11820, 13396, 14972, 16473, 16745, 17340, 18715, 19380, 20094, 21964, 22458, 27455, 32946, 33490, 37430, 40188, 44916, 50235, 54910, 56145, 56933, 63631, 65892, 66980, 74860, 82365, 100470, 109820, 112290, 113866, 127262, 164730, 170799, 190893, 200940, 224580, 227732, 254524, 284665, 318155, 329460, 341598, 381786, 569330, 636310, 683196, 763572, 853995, 954465, 1081727, 1138660, 1272620, 1707990, 1908930, 2163454, 3245181, 3415980, 3817860, 4326908, 5408635, 6490362, 10817270, 12980724, 16225905, 21634540, 32451810, 64903620]

約数ペア:

[(1, 64903620), (2, 32451810), (3, 21634540), (4, 16225905), (5, 12980724), (6, 10817270), (10, 6490362), (12, 5408635), (15, 4326908), (17, 3817860), (19, 3415980), (20, 3245181), (30, 2163454), (34, 1908930), (38, 1707990), (51, 1272620), (57, 1138660), (60, 1081727), (68, 954465), (76, 853995), (85, 763572), (95, 683196), (102, 636310), (114, 569330), (170, 381786), (190, 341598), (197, 329460), (204, 318155), (228, 284665), (255, 254524), (285, 227732), (289, 224580), (323, 200940), (340, 190893), (380, 170799), (394, 164730), (510, 127262), (570, 113866), (578, 112290), (591, 109820), (646, 100470), (788, 82365), (867, 74860), (969, 66980), (985, 65892), (1020, 63631), (1140, 56933), (1156, 56145), (1182, 54910), (1292, 50235), (1445, 44916), (1615, 40188), (1734, 37430), (1938, 33490), (1970, 32946), (2364, 27455), (2890, 22458), (2955, 21964), (3230, 20094), (3349, 19380), (3468, 18715), (3743, 17340), (3876, 16745), (3940, 16473), (4335, 14972), (4845, 13396), (5491, 11820), (5780, 11229), (5910, 10982), (6460, 10047), (6698, 9690), (7486, 8670)]