72439640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2843}}^1$

素因数の和:2881

約数の個数: 96

約数和(自身を含む): 204256080

約数和(自身を除く): 131816440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 2843, 3185, 3640, 5096, 5686, 6370, 11372, 12740, 14215, 19901, 22744, 25480, 28430, 36959, 39802, 56860, 73918, 79604, 99505, 113720, 139307, 147836, 159208, 184795, 199010, 258713, 278614, 295672, 369590, 398020, 517426, 557228, 696535, 739180, 796040, 1034852, 1114456, 1293565, 1393070, 1478360, 1810991, 2069704, 2587130, 2786140, 3621982, 5174260, 5572280, 7243964, 9054955, 10348520, 14487928, 18109910, 36219820, 72439640]

約数ペア:

[(1, 72439640), (2, 36219820), (4, 18109910), (5, 14487928), (7, 10348520), (8, 9054955), (10, 7243964), (13, 5572280), (14, 5174260), (20, 3621982), (26, 2786140), (28, 2587130), (35, 2069704), (40, 1810991), (49, 1478360), (52, 1393070), (56, 1293565), (65, 1114456), (70, 1034852), (91, 796040), (98, 739180), (104, 696535), (130, 557228), (140, 517426), (182, 398020), (196, 369590), (245, 295672), (260, 278614), (280, 258713), (364, 199010), (392, 184795), (455, 159208), (490, 147836), (520, 139307), (637, 113720), (728, 99505), (910, 79604), (980, 73918), (1274, 56860), (1820, 39802), (1960, 36959), (2548, 28430), (2843, 25480), (3185, 22744), (3640, 19901), (5096, 14215), (5686, 12740), (6370, 11372)]