391791360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 1259316576

約数和(自身を除く): 867525216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 257, 320, 384, 397, 480, 514, 640, 768, 771, 794, 960, 1028, 1191, 1280, 1285, 1542, 1588, 1920, 1985, 2056, 2382, 2570, 3084, 3176, 3840, 3855, 3970, 4112, 4764, 5140, 5955, 6168, 6352, 7710, 7940, 8224, 9528, 10280, 11910, 12336, 12704, 15420, 15880, 16448, 19056, 20560, 23820, 24672, 25408, 30840, 31760, 32896, 38112, 41120, 47640, 49344, 50816, 61680, 63520, 65792, 76224, 82240, 95280, 98688, 101632, 102029, 123360, 127040, 152448, 164480, 190560, 197376, 204058, 246720, 254080, 304896, 306087, 328960, 381120, 408116, 493440, 508160, 510145, 612174, 762240, 816232, 986880, 1020290, 1224348, 1524480, 1530435, 1632464, 2040580, 2448696, 3060870, 3264928, 4081160, 4897392, 6121740, 6529856, 8162320, 9794784, 12243480, 13059712, 16324640, 19589568, 24486960, 26119424, 32649280, 39179136, 48973920, 65298560, 78358272, 97947840, 130597120, 195895680, 391791360]

約数ペア:

[(1, 391791360), (2, 195895680), (3, 130597120), (4, 97947840), (5, 78358272), (6, 65298560), (8, 48973920), (10, 39179136), (12, 32649280), (15, 26119424), (16, 24486960), (20, 19589568), (24, 16324640), (30, 13059712), (32, 12243480), (40, 9794784), (48, 8162320), (60, 6529856), (64, 6121740), (80, 4897392), (96, 4081160), (120, 3264928), (128, 3060870), (160, 2448696), (192, 2040580), (240, 1632464), (256, 1530435), (257, 1524480), (320, 1224348), (384, 1020290), (397, 986880), (480, 816232), (514, 762240), (640, 612174), (768, 510145), (771, 508160), (794, 493440), (960, 408116), (1028, 381120), (1191, 328960), (1280, 306087), (1285, 304896), (1542, 254080), (1588, 246720), (1920, 204058), (1985, 197376), (2056, 190560), (2382, 164480), (2570, 152448), (3084, 127040), (3176, 123360), (3840, 102029), (3855, 101632), (3970, 98688), (4112, 95280), (4764, 82240), (5140, 76224), (5955, 65792), (6168, 63520), (6352, 61680), (7710, 50816), (7940, 49344), (8224, 47640), (9528, 41120), (10280, 38112), (11910, 32896), (12336, 31760), (12704, 30840), (15420, 25408), (15880, 24672), (16448, 23820), (19056, 20560)]