64811280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 215879040

約数和(自身を除く): 151067760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 76, 80, 95, 114, 120, 122, 152, 183, 190, 228, 233, 240, 244, 285, 304, 305, 366, 380, 456, 466, 488, 570, 610, 699, 732, 760, 912, 915, 932, 976, 1140, 1159, 1165, 1220, 1398, 1464, 1520, 1830, 1864, 2280, 2318, 2330, 2440, 2796, 2928, 3477, 3495, 3660, 3728, 4427, 4560, 4636, 4660, 4880, 5592, 5795, 6954, 6990, 7320, 8854, 9272, 9320, 11184, 11590, 13281, 13908, 13980, 14213, 14640, 17385, 17708, 18544, 18640, 22135, 23180, 26562, 27816, 27960, 28426, 34770, 35416, 42639, 44270, 46360, 53124, 55632, 55920, 56852, 66405, 69540, 70832, 71065, 85278, 88540, 92720, 106248, 113704, 132810, 139080, 142130, 170556, 177080, 212496, 213195, 227408, 265620, 270047, 278160, 284260, 341112, 354160, 426390, 531240, 540094, 568520, 682224, 810141, 852780, 1062480, 1080188, 1137040, 1350235, 1620282, 1705560, 2160376, 2700470, 3240564, 3411120, 4050705, 4320752, 5400940, 6481128, 8101410, 10801880, 12962256, 16202820, 21603760, 32405640, 64811280]

約数ペア:

[(1, 64811280), (2, 32405640), (3, 21603760), (4, 16202820), (5, 12962256), (6, 10801880), (8, 8101410), (10, 6481128), (12, 5400940), (15, 4320752), (16, 4050705), (19, 3411120), (20, 3240564), (24, 2700470), (30, 2160376), (38, 1705560), (40, 1620282), (48, 1350235), (57, 1137040), (60, 1080188), (61, 1062480), (76, 852780), (80, 810141), (95, 682224), (114, 568520), (120, 540094), (122, 531240), (152, 426390), (183, 354160), (190, 341112), (228, 284260), (233, 278160), (240, 270047), (244, 265620), (285, 227408), (304, 213195), (305, 212496), (366, 177080), (380, 170556), (456, 142130), (466, 139080), (488, 132810), (570, 113704), (610, 106248), (699, 92720), (732, 88540), (760, 85278), (912, 71065), (915, 70832), (932, 69540), (976, 66405), (1140, 56852), (1159, 55920), (1165, 55632), (1220, 53124), (1398, 46360), (1464, 44270), (1520, 42639), (1830, 35416), (1864, 34770), (2280, 28426), (2318, 27960), (2330, 27816), (2440, 26562), (2796, 23180), (2928, 22135), (3477, 18640), (3495, 18544), (3660, 17708), (3728, 17385), (4427, 14640), (4560, 14213), (4636, 13980), (4660, 13908), (4880, 13281), (5592, 11590), (5795, 11184), (6954, 9320), (6990, 9272), (7320, 8854)]