15661713920

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:726

約数の個数: 160

約数和(自身を含む): 38360044800

約数和(自身を除く): 22698330880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 199, 256, 284, 320, 355, 398, 433, 512, 568, 640, 710, 796, 866, 995, 1136, 1280, 1420, 1592, 1732, 1990, 2165, 2272, 2560, 2840, 3184, 3464, 3980, 4330, 4544, 5680, 6368, 6928, 7960, 8660, 9088, 11360, 12736, 13856, 14129, 15920, 17320, 18176, 22720, 25472, 27712, 28258, 30743, 31840, 34640, 36352, 45440, 50944, 55424, 56516, 61486, 63680, 69280, 70645, 86167, 90880, 101888, 110848, 113032, 122972, 127360, 138560, 141290, 153715, 172334, 181760, 221696, 226064, 245944, 254720, 277120, 282580, 307430, 344668, 430835, 452128, 491888, 509440, 554240, 565160, 614860, 689336, 861670, 904256, 983776, 1108480, 1130320, 1229720, 1378672, 1723340, 1808512, 1967552, 2260640, 2459440, 2757344, 3446680, 3617024, 3935104, 4521280, 4918880, 5514688, 6117857, 6893360, 7234048, 7870208, 9042560, 9837760, 11029376, 12235714, 13786720, 15740416, 18085120, 19675520, 22058752, 24471428, 27573440, 30589285, 36170240, 39351040, 44117504, 48942856, 55146880, 61178570, 78702080, 97885712, 110293760, 122357140, 195771424, 220587520, 244714280, 391542848, 489428560, 783085696, 978857120, 1566171392, 1957714240, 3132342784, 3915428480, 7830856960, 15661713920]

約数ペア:

[(1, 15661713920), (2, 7830856960), (4, 3915428480), (5, 3132342784), (8, 1957714240), (10, 1566171392), (16, 978857120), (20, 783085696), (32, 489428560), (40, 391542848), (64, 244714280), (71, 220587520), (80, 195771424), (128, 122357140), (142, 110293760), (160, 97885712), (199, 78702080), (256, 61178570), (284, 55146880), (320, 48942856), (355, 44117504), (398, 39351040), (433, 36170240), (512, 30589285), (568, 27573440), (640, 24471428), (710, 22058752), (796, 19675520), (866, 18085120), (995, 15740416), (1136, 13786720), (1280, 12235714), (1420, 11029376), (1592, 9837760), (1732, 9042560), (1990, 7870208), (2165, 7234048), (2272, 6893360), (2560, 6117857), (2840, 5514688), (3184, 4918880), (3464, 4521280), (3980, 3935104), (4330, 3617024), (4544, 3446680), (5680, 2757344), (6368, 2459440), (6928, 2260640), (7960, 1967552), (8660, 1808512), (9088, 1723340), (11360, 1378672), (12736, 1229720), (13856, 1130320), (14129, 1108480), (15920, 983776), (17320, 904256), (18176, 861670), (22720, 689336), (25472, 614860), (27712, 565160), (28258, 554240), (30743, 509440), (31840, 491888), (34640, 452128), (36352, 430835), (45440, 344668), (50944, 307430), (55424, 282580), (56516, 277120), (61486, 254720), (63680, 245944), (69280, 226064), (70645, 221696), (86167, 181760), (90880, 172334), (101888, 153715), (110848, 141290), (113032, 138560), (122972, 127360)]