16560040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 46656000

約数和(自身を除く): 30095960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 71, 85, 98, 119, 136, 140, 142, 170, 196, 238, 245, 280, 284, 340, 343, 355, 392, 476, 490, 497, 568, 595, 680, 686, 710, 833, 952, 980, 994, 1190, 1207, 1372, 1420, 1666, 1715, 1960, 1988, 2380, 2414, 2485, 2744, 2840, 3332, 3430, 3479, 3976, 4165, 4760, 4828, 4970, 5831, 6035, 6664, 6860, 6958, 8330, 8449, 9656, 9940, 11662, 12070, 13720, 13916, 16660, 16898, 17395, 19880, 23324, 24140, 24353, 27832, 29155, 33320, 33796, 34790, 42245, 46648, 48280, 48706, 58310, 59143, 67592, 69580, 84490, 97412, 116620, 118286, 121765, 139160, 168980, 194824, 233240, 236572, 243530, 295715, 337960, 414001, 473144, 487060, 591430, 828002, 974120, 1182860, 1656004, 2070005, 2365720, 3312008, 4140010, 8280020, 16560040]

約数ペア:

[(1, 16560040), (2, 8280020), (4, 4140010), (5, 3312008), (7, 2365720), (8, 2070005), (10, 1656004), (14, 1182860), (17, 974120), (20, 828002), (28, 591430), (34, 487060), (35, 473144), (40, 414001), (49, 337960), (56, 295715), (68, 243530), (70, 236572), (71, 233240), (85, 194824), (98, 168980), (119, 139160), (136, 121765), (140, 118286), (142, 116620), (170, 97412), (196, 84490), (238, 69580), (245, 67592), (280, 59143), (284, 58310), (340, 48706), (343, 48280), (355, 46648), (392, 42245), (476, 34790), (490, 33796), (497, 33320), (568, 29155), (595, 27832), (680, 24353), (686, 24140), (710, 23324), (833, 19880), (952, 17395), (980, 16898), (994, 16660), (1190, 13916), (1207, 13720), (1372, 12070), (1420, 11662), (1666, 9940), (1715, 9656), (1960, 8449), (1988, 8330), (2380, 6958), (2414, 6860), (2485, 6664), (2744, 6035), (2840, 5831), (3332, 4970), (3430, 4828), (3479, 4760), (3976, 4165)]