39810120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 138378240

約数和(自身を除く): 98568120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 571, 581, 664, 830, 840, 996, 1142, 1162, 1245, 1660, 1713, 1743, 1992, 2284, 2324, 2490, 2855, 2905, 3320, 3426, 3486, 3997, 4568, 4648, 4980, 5710, 5810, 6852, 6972, 7994, 8565, 8715, 9960, 11420, 11620, 11991, 13704, 13944, 15988, 17130, 17430, 19985, 22840, 23240, 23982, 31976, 34260, 34860, 39970, 47393, 47964, 59955, 68520, 69720, 79940, 94786, 95928, 119910, 142179, 159880, 189572, 236965, 239820, 284358, 331751, 379144, 473930, 479640, 568716, 663502, 710895, 947860, 995253, 1137432, 1327004, 1421790, 1658755, 1895720, 1990506, 2654008, 2843580, 3317510, 3981012, 4976265, 5687160, 6635020, 7962024, 9952530, 13270040, 19905060, 39810120]

約数ペア:

[(1, 39810120), (2, 19905060), (3, 13270040), (4, 9952530), (5, 7962024), (6, 6635020), (7, 5687160), (8, 4976265), (10, 3981012), (12, 3317510), (14, 2843580), (15, 2654008), (20, 1990506), (21, 1895720), (24, 1658755), (28, 1421790), (30, 1327004), (35, 1137432), (40, 995253), (42, 947860), (56, 710895), (60, 663502), (70, 568716), (83, 479640), (84, 473930), (105, 379144), (120, 331751), (140, 284358), (166, 239820), (168, 236965), (210, 189572), (249, 159880), (280, 142179), (332, 119910), (415, 95928), (420, 94786), (498, 79940), (571, 69720), (581, 68520), (664, 59955), (830, 47964), (840, 47393), (996, 39970), (1142, 34860), (1162, 34260), (1245, 31976), (1660, 23982), (1713, 23240), (1743, 22840), (1992, 19985), (2284, 17430), (2324, 17130), (2490, 15988), (2855, 13944), (2905, 13704), (3320, 11991), (3426, 11620), (3486, 11420), (3997, 9960), (4568, 8715), (4648, 8565), (4980, 7994), (5710, 6972), (5810, 6852)]