31986720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 110761560

約数和(自身を除く): 78774840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 97, 120, 144, 160, 180, 194, 229, 240, 288, 291, 360, 388, 458, 480, 485, 582, 687, 720, 776, 873, 916, 970, 1145, 1164, 1374, 1440, 1455, 1552, 1746, 1832, 1940, 2061, 2290, 2328, 2748, 2910, 3104, 3435, 3492, 3664, 3880, 4122, 4365, 4580, 4656, 5496, 5820, 6870, 6984, 7328, 7760, 8244, 8730, 9160, 9312, 10305, 10992, 11640, 13740, 13968, 15520, 16488, 17460, 18320, 20610, 21984, 22213, 23280, 27480, 27936, 32976, 34920, 36640, 41220, 44426, 46560, 54960, 65952, 66639, 69840, 82440, 88852, 109920, 111065, 133278, 139680, 164880, 177704, 199917, 222130, 266556, 329760, 333195, 355408, 399834, 444260, 533112, 666390, 710816, 799668, 888520, 999585, 1066224, 1332780, 1599336, 1777040, 1999170, 2132448, 2665560, 3198672, 3554080, 3998340, 5331120, 6397344, 7996680, 10662240, 15993360, 31986720]

約数ペア:

[(1, 31986720), (2, 15993360), (3, 10662240), (4, 7996680), (5, 6397344), (6, 5331120), (8, 3998340), (9, 3554080), (10, 3198672), (12, 2665560), (15, 2132448), (16, 1999170), (18, 1777040), (20, 1599336), (24, 1332780), (30, 1066224), (32, 999585), (36, 888520), (40, 799668), (45, 710816), (48, 666390), (60, 533112), (72, 444260), (80, 399834), (90, 355408), (96, 333195), (97, 329760), (120, 266556), (144, 222130), (160, 199917), (180, 177704), (194, 164880), (229, 139680), (240, 133278), (288, 111065), (291, 109920), (360, 88852), (388, 82440), (458, 69840), (480, 66639), (485, 65952), (582, 54960), (687, 46560), (720, 44426), (776, 41220), (873, 36640), (916, 34920), (970, 32976), (1145, 27936), (1164, 27480), (1374, 23280), (1440, 22213), (1455, 21984), (1552, 20610), (1746, 18320), (1832, 17460), (1940, 16488), (2061, 15520), (2290, 13968), (2328, 13740), (2748, 11640), (2910, 10992), (3104, 10305), (3435, 9312), (3492, 9160), (3664, 8730), (3880, 8244), (4122, 7760), (4365, 7328), (4580, 6984), (4656, 6870), (5496, 5820)]