77802720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 259232400

約数和(自身を除く): 181429680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 361, 380, 449, 456, 480, 570, 608, 722, 760, 898, 912, 1083, 1140, 1347, 1444, 1520, 1796, 1805, 1824, 2166, 2245, 2280, 2694, 2888, 3040, 3592, 3610, 4332, 4490, 4560, 5388, 5415, 5776, 6735, 7184, 7220, 8531, 8664, 8980, 9120, 10776, 10830, 11552, 13470, 14368, 14440, 17062, 17328, 17960, 21552, 21660, 25593, 26940, 28880, 34124, 34656, 35920, 42655, 43104, 43320, 51186, 53880, 57760, 68248, 71840, 85310, 86640, 102372, 107760, 127965, 136496, 162089, 170620, 173280, 204744, 215520, 255930, 272992, 324178, 341240, 409488, 486267, 511860, 648356, 682480, 810445, 818976, 972534, 1023720, 1296712, 1364960, 1620890, 1945068, 2047440, 2431335, 2593424, 3241780, 3890136, 4094880, 4862670, 5186848, 6483560, 7780272, 9725340, 12967120, 15560544, 19450680, 25934240, 38901360, 77802720]

約数ペア:

[(1, 77802720), (2, 38901360), (3, 25934240), (4, 19450680), (5, 15560544), (6, 12967120), (8, 9725340), (10, 7780272), (12, 6483560), (15, 5186848), (16, 4862670), (19, 4094880), (20, 3890136), (24, 3241780), (30, 2593424), (32, 2431335), (38, 2047440), (40, 1945068), (48, 1620890), (57, 1364960), (60, 1296712), (76, 1023720), (80, 972534), (95, 818976), (96, 810445), (114, 682480), (120, 648356), (152, 511860), (160, 486267), (190, 409488), (228, 341240), (240, 324178), (285, 272992), (304, 255930), (361, 215520), (380, 204744), (449, 173280), (456, 170620), (480, 162089), (570, 136496), (608, 127965), (722, 107760), (760, 102372), (898, 86640), (912, 85310), (1083, 71840), (1140, 68248), (1347, 57760), (1444, 53880), (1520, 51186), (1796, 43320), (1805, 43104), (1824, 42655), (2166, 35920), (2245, 34656), (2280, 34124), (2694, 28880), (2888, 26940), (3040, 25593), (3592, 21660), (3610, 21552), (4332, 17960), (4490, 17328), (4560, 17062), (5388, 14440), (5415, 14368), (5776, 13470), (6735, 11552), (7184, 10830), (7220, 10776), (8531, 9120), (8664, 8980)]