78815940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 270950400

約数和(自身を除く): 192134460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 60, 69, 70, 82, 84, 92, 105, 115, 123, 138, 140, 161, 164, 199, 205, 210, 230, 246, 276, 287, 322, 345, 398, 410, 420, 460, 483, 492, 574, 597, 615, 644, 690, 796, 805, 820, 861, 943, 966, 995, 1148, 1194, 1230, 1380, 1393, 1435, 1610, 1722, 1886, 1932, 1990, 2388, 2415, 2460, 2786, 2829, 2870, 2985, 3220, 3444, 3772, 3980, 4179, 4305, 4577, 4715, 4830, 5572, 5658, 5740, 5970, 6601, 6965, 8159, 8358, 8610, 9154, 9430, 9660, 11316, 11940, 13202, 13731, 13930, 14145, 16318, 16716, 17220, 18308, 18860, 19803, 20895, 22885, 24477, 26404, 27462, 27860, 28290, 32039, 32636, 33005, 39606, 40795, 41790, 45770, 48954, 54924, 56580, 57113, 64078, 66010, 68655, 79212, 81590, 83580, 91540, 96117, 97908, 99015, 114226, 122385, 128156, 132020, 137310, 160195, 163180, 171339, 187657, 192234, 198030, 228452, 244770, 274620, 285565, 320390, 342678, 375314, 384468, 396060, 480585, 489540, 562971, 571130, 640780, 685356, 750628, 856695, 938285, 961170, 1125942, 1142260, 1313599, 1713390, 1876570, 1922340, 2251884, 2627198, 2814855, 3426780, 3753140, 3940797, 5254396, 5629710, 6567995, 7881594, 11259420, 13135990, 15763188, 19703985, 26271980, 39407970, 78815940]

約数ペア:

[(1, 78815940), (2, 39407970), (3, 26271980), (4, 19703985), (5, 15763188), (6, 13135990), (7, 11259420), (10, 7881594), (12, 6567995), (14, 5629710), (15, 5254396), (20, 3940797), (21, 3753140), (23, 3426780), (28, 2814855), (30, 2627198), (35, 2251884), (41, 1922340), (42, 1876570), (46, 1713390), (60, 1313599), (69, 1142260), (70, 1125942), (82, 961170), (84, 938285), (92, 856695), (105, 750628), (115, 685356), (123, 640780), (138, 571130), (140, 562971), (161, 489540), (164, 480585), (199, 396060), (205, 384468), (210, 375314), (230, 342678), (246, 320390), (276, 285565), (287, 274620), (322, 244770), (345, 228452), (398, 198030), (410, 192234), (420, 187657), (460, 171339), (483, 163180), (492, 160195), (574, 137310), (597, 132020), (615, 128156), (644, 122385), (690, 114226), (796, 99015), (805, 97908), (820, 96117), (861, 91540), (943, 83580), (966, 81590), (995, 79212), (1148, 68655), (1194, 66010), (1230, 64078), (1380, 57113), (1393, 56580), (1435, 54924), (1610, 48954), (1722, 45770), (1886, 41790), (1932, 40795), (1990, 39606), (2388, 33005), (2415, 32636), (2460, 32039), (2786, 28290), (2829, 27860), (2870, 27462), (2985, 26404), (3220, 24477), (3444, 22885), (3772, 20895), (3980, 19803), (4179, 18860), (4305, 18308), (4577, 17220), (4715, 16716), (4830, 16318), (5572, 14145), (5658, 13930), (5740, 13731), (5970, 13202), (6601, 11940), (6965, 11316), (8159, 9660), (8358, 9430), (8610, 9154)]