26939640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2501

約数の個数: 128

約数和(自身を含む): 99509760

約数和(自身を除く): 72570120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2467, 2730, 3640, 4934, 5460, 7401, 9868, 10920, 12335, 14802, 17269, 19736, 24670, 29604, 32071, 34538, 37005, 49340, 51807, 59208, 64142, 69076, 74010, 86345, 96213, 98680, 103614, 128284, 138152, 148020, 160355, 172690, 192426, 207228, 224497, 256568, 259035, 296040, 320710, 345380, 384852, 414456, 448994, 481065, 518070, 641420, 673491, 690760, 769704, 897988, 962130, 1036140, 1122485, 1282840, 1346982, 1795976, 1924260, 2072280, 2244970, 2693964, 3367455, 3848520, 4489940, 5387928, 6734910, 8979880, 13469820, 26939640]

約数ペア:

[(1, 26939640), (2, 13469820), (3, 8979880), (4, 6734910), (5, 5387928), (6, 4489940), (7, 3848520), (8, 3367455), (10, 2693964), (12, 2244970), (13, 2072280), (14, 1924260), (15, 1795976), (20, 1346982), (21, 1282840), (24, 1122485), (26, 1036140), (28, 962130), (30, 897988), (35, 769704), (39, 690760), (40, 673491), (42, 641420), (52, 518070), (56, 481065), (60, 448994), (65, 414456), (70, 384852), (78, 345380), (84, 320710), (91, 296040), (104, 259035), (105, 256568), (120, 224497), (130, 207228), (140, 192426), (156, 172690), (168, 160355), (182, 148020), (195, 138152), (210, 128284), (260, 103614), (273, 98680), (280, 96213), (312, 86345), (364, 74010), (390, 69076), (420, 64142), (455, 59208), (520, 51807), (546, 49340), (728, 37005), (780, 34538), (840, 32071), (910, 29604), (1092, 24670), (1365, 19736), (1560, 17269), (1820, 14802), (2184, 12335), (2467, 10920), (2730, 9868), (3640, 7401), (4934, 5460)]