690259920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2617}}^1$

素因数の和:2797

約数の個数: 160

約数和(自身を含む): 2462009088

約数和(自身を除く): 1771749168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 314, 336, 420, 471, 560, 628, 785, 840, 942, 1099, 1256, 1570, 1680, 1884, 2198, 2355, 2512, 2617, 3140, 3297, 3768, 4396, 4710, 5234, 5495, 6280, 6594, 7536, 7851, 8792, 9420, 10468, 10990, 12560, 13085, 13188, 15702, 16485, 17584, 18319, 18840, 20936, 21980, 26170, 26376, 31404, 32970, 36638, 37680, 39255, 41872, 43960, 52340, 52752, 54957, 62808, 65940, 73276, 78510, 87920, 91595, 104680, 109914, 125616, 131880, 146552, 157020, 183190, 209360, 219828, 263760, 274785, 293104, 314040, 366380, 410869, 439656, 549570, 628080, 732760, 821738, 879312, 1099140, 1232607, 1465520, 1643476, 2054345, 2198280, 2465214, 2876083, 3286952, 4108690, 4396560, 4930428, 5752166, 6163035, 6573904, 8217380, 8628249, 9860856, 11504332, 12326070, 14380415, 16434760, 17256498, 19721712, 23008664, 24652140, 28760830, 32869520, 34512996, 43141245, 46017328, 49304280, 57521660, 69025992, 86282490, 98608560, 115043320, 138051984, 172564980, 230086640, 345129960, 690259920]

約数ペア:

[(1, 690259920), (2, 345129960), (3, 230086640), (4, 172564980), (5, 138051984), (6, 115043320), (7, 98608560), (8, 86282490), (10, 69025992), (12, 57521660), (14, 49304280), (15, 46017328), (16, 43141245), (20, 34512996), (21, 32869520), (24, 28760830), (28, 24652140), (30, 23008664), (35, 19721712), (40, 17256498), (42, 16434760), (48, 14380415), (56, 12326070), (60, 11504332), (70, 9860856), (80, 8628249), (84, 8217380), (105, 6573904), (112, 6163035), (120, 5752166), (140, 4930428), (157, 4396560), (168, 4108690), (210, 3286952), (240, 2876083), (280, 2465214), (314, 2198280), (336, 2054345), (420, 1643476), (471, 1465520), (560, 1232607), (628, 1099140), (785, 879312), (840, 821738), (942, 732760), (1099, 628080), (1256, 549570), (1570, 439656), (1680, 410869), (1884, 366380), (2198, 314040), (2355, 293104), (2512, 274785), (2617, 263760), (3140, 219828), (3297, 209360), (3768, 183190), (4396, 157020), (4710, 146552), (5234, 131880), (5495, 125616), (6280, 109914), (6594, 104680), (7536, 91595), (7851, 87920), (8792, 78510), (9420, 73276), (10468, 65940), (10990, 62808), (12560, 54957), (13085, 52752), (13188, 52340), (15702, 43960), (16485, 41872), (17584, 39255), (18319, 37680), (18840, 36638), (20936, 32970), (21980, 31404), (26170, 26376)]