890814720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3803}}^1$

素因数の和:3888

約数の個数: 144

約数和(自身を含む): 2892439872

約数和(自身を除く): 2001625152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 610, 640, 732, 768, 915, 960, 976, 1220, 1280, 1464, 1830, 1920, 1952, 2440, 2928, 3660, 3803, 3840, 3904, 4880, 5856, 7320, 7606, 7808, 9760, 11409, 11712, 14640, 15212, 15616, 19015, 19520, 22818, 23424, 29280, 30424, 38030, 39040, 45636, 46848, 57045, 58560, 60848, 76060, 78080, 91272, 114090, 117120, 121696, 152120, 182544, 228180, 231983, 234240, 243392, 304240, 365088, 456360, 463966, 486784, 608480, 695949, 730176, 912720, 927932, 973568, 1159915, 1216960, 1391898, 1460352, 1825440, 1855864, 2319830, 2433920, 2783796, 2920704, 3479745, 3650880, 3711728, 4639660, 4867840, 5567592, 6959490, 7301760, 7423456, 9279320, 11135184, 13918980, 14603520, 14846912, 18558640, 22270368, 27837960, 29693824, 37117280, 44540736, 55675920, 59387648, 74234560, 89081472, 111351840, 148469120, 178162944, 222703680, 296938240, 445407360, 890814720]

約数ペア:

[(1, 890814720), (2, 445407360), (3, 296938240), (4, 222703680), (5, 178162944), (6, 148469120), (8, 111351840), (10, 89081472), (12, 74234560), (15, 59387648), (16, 55675920), (20, 44540736), (24, 37117280), (30, 29693824), (32, 27837960), (40, 22270368), (48, 18558640), (60, 14846912), (61, 14603520), (64, 13918980), (80, 11135184), (96, 9279320), (120, 7423456), (122, 7301760), (128, 6959490), (160, 5567592), (183, 4867840), (192, 4639660), (240, 3711728), (244, 3650880), (256, 3479745), (305, 2920704), (320, 2783796), (366, 2433920), (384, 2319830), (480, 1855864), (488, 1825440), (610, 1460352), (640, 1391898), (732, 1216960), (768, 1159915), (915, 973568), (960, 927932), (976, 912720), (1220, 730176), (1280, 695949), (1464, 608480), (1830, 486784), (1920, 463966), (1952, 456360), (2440, 365088), (2928, 304240), (3660, 243392), (3803, 234240), (3840, 231983), (3904, 228180), (4880, 182544), (5856, 152120), (7320, 121696), (7606, 117120), (7808, 114090), (9760, 91272), (11409, 78080), (11712, 76060), (14640, 60848), (15212, 58560), (15616, 57045), (19015, 46848), (19520, 45636), (22818, 39040), (23424, 38030), (29280, 30424)]