84657920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 217134120

約数和(自身を除く): 132476200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 64, 76, 80, 95, 118, 128, 152, 160, 190, 236, 256, 295, 304, 320, 380, 472, 590, 608, 640, 760, 944, 1121, 1180, 1216, 1280, 1520, 1888, 2242, 2360, 2432, 3040, 3481, 3776, 4484, 4720, 4864, 5605, 6080, 6962, 7552, 8968, 9440, 11210, 12160, 13924, 15104, 17405, 17936, 18880, 22420, 24320, 27848, 34810, 35872, 37760, 44840, 55696, 66139, 69620, 71744, 75520, 89680, 111392, 132278, 139240, 143488, 179360, 222784, 264556, 278480, 286976, 330695, 358720, 445568, 529112, 556960, 661390, 717440, 891136, 1058224, 1113920, 1322780, 1434880, 2116448, 2227840, 2645560, 4232896, 4455680, 5291120, 8465792, 10582240, 16931584, 21164480, 42328960, 84657920]

約数ペア:

[(1, 84657920), (2, 42328960), (4, 21164480), (5, 16931584), (8, 10582240), (10, 8465792), (16, 5291120), (19, 4455680), (20, 4232896), (32, 2645560), (38, 2227840), (40, 2116448), (59, 1434880), (64, 1322780), (76, 1113920), (80, 1058224), (95, 891136), (118, 717440), (128, 661390), (152, 556960), (160, 529112), (190, 445568), (236, 358720), (256, 330695), (295, 286976), (304, 278480), (320, 264556), (380, 222784), (472, 179360), (590, 143488), (608, 139240), (640, 132278), (760, 111392), (944, 89680), (1121, 75520), (1180, 71744), (1216, 69620), (1280, 66139), (1520, 55696), (1888, 44840), (2242, 37760), (2360, 35872), (2432, 34810), (3040, 27848), (3481, 24320), (3776, 22420), (4484, 18880), (4720, 17936), (4864, 17405), (5605, 15104), (6080, 13924), (6962, 12160), (7552, 11210), (8968, 9440)]