20198037440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:987

約数の個数: 224

約数和(自身を含む): 56094904320

約数和(自身を除く): 35896866880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 157, 158, 160, 224, 280, 314, 316, 320, 395, 448, 553, 560, 628, 632, 727, 785, 790, 1099, 1106, 1120, 1256, 1264, 1454, 1570, 1580, 2198, 2212, 2240, 2512, 2528, 2765, 2908, 3140, 3160, 3635, 4396, 4424, 5024, 5056, 5089, 5495, 5530, 5816, 6280, 6320, 7270, 8792, 8848, 10048, 10178, 10990, 11060, 11632, 12403, 12560, 12640, 14540, 17584, 17696, 20356, 21980, 22120, 23264, 24806, 25120, 25280, 25445, 29080, 35168, 35392, 40712, 43960, 44240, 46528, 49612, 50240, 50890, 57433, 58160, 62015, 70336, 81424, 86821, 87920, 88480, 99224, 101780, 114139, 114866, 116320, 124030, 162848, 173642, 175840, 176960, 198448, 203560, 228278, 229732, 232640, 248060, 287165, 325696, 347284, 351680, 396896, 402031, 407120, 434105, 456556, 459464, 496120, 570695, 574330, 694568, 793792, 798973, 804062, 814240, 868210, 913112, 918928, 992240, 1141390, 1148660, 1389136, 1597946, 1608124, 1628480, 1736420, 1826224, 1837856, 1984480, 2010155, 2282780, 2297320, 2778272, 3195892, 3216248, 3472840, 3652448, 3675712, 3968960, 3994865, 4020310, 4565560, 4594640, 5556544, 6391784, 6432496, 6945680, 7304896, 7989730, 8040620, 9016981, 9131120, 9189280, 12783568, 12864992, 13891360, 15979460, 16081240, 18033962, 18262240, 18378560, 25567136, 25729984, 27782720, 31958920, 32162480, 36067924, 36524480, 45084905, 51134272, 63118867, 63917840, 64324960, 72135848, 90169810, 126237734, 127835680, 128649920, 144271696, 180339620, 252475468, 255671360, 288543392, 315594335, 360679240, 504950936, 577086784, 631188670, 721358480, 1009901872, 1262377340, 1442716960, 2019803744, 2524754680, 2885433920, 4039607488, 5049509360, 10099018720, 20198037440]

約数ペア:

[(1, 20198037440), (2, 10099018720), (4, 5049509360), (5, 4039607488), (7, 2885433920), (8, 2524754680), (10, 2019803744), (14, 1442716960), (16, 1262377340), (20, 1009901872), (28, 721358480), (32, 631188670), (35, 577086784), (40, 504950936), (56, 360679240), (64, 315594335), (70, 288543392), (79, 255671360), (80, 252475468), (112, 180339620), (140, 144271696), (157, 128649920), (158, 127835680), (160, 126237734), (224, 90169810), (280, 72135848), (314, 64324960), (316, 63917840), (320, 63118867), (395, 51134272), (448, 45084905), (553, 36524480), (560, 36067924), (628, 32162480), (632, 31958920), (727, 27782720), (785, 25729984), (790, 25567136), (1099, 18378560), (1106, 18262240), (1120, 18033962), (1256, 16081240), (1264, 15979460), (1454, 13891360), (1570, 12864992), (1580, 12783568), (2198, 9189280), (2212, 9131120), (2240, 9016981), (2512, 8040620), (2528, 7989730), (2765, 7304896), (2908, 6945680), (3140, 6432496), (3160, 6391784), (3635, 5556544), (4396, 4594640), (4424, 4565560), (5024, 4020310), (5056, 3994865), (5089, 3968960), (5495, 3675712), (5530, 3652448), (5816, 3472840), (6280, 3216248), (6320, 3195892), (7270, 2778272), (8792, 2297320), (8848, 2282780), (10048, 2010155), (10178, 1984480), (10990, 1837856), (11060, 1826224), (11632, 1736420), (12403, 1628480), (12560, 1608124), (12640, 1597946), (14540, 1389136), (17584, 1148660), (17696, 1141390), (20356, 992240), (21980, 918928), (22120, 913112), (23264, 868210), (24806, 814240), (25120, 804062), (25280, 798973), (25445, 793792), (29080, 694568), (35168, 574330), (35392, 570695), (40712, 496120), (43960, 459464), (44240, 456556), (46528, 434105), (49612, 407120), (50240, 402031), (50890, 396896), (57433, 351680), (58160, 347284), (62015, 325696), (70336, 287165), (81424, 248060), (86821, 232640), (87920, 229732), (88480, 228278), (99224, 203560), (101780, 198448), (114139, 176960), (114866, 175840), (116320, 173642), (124030, 162848)]