16720831440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71899}}^1$

素因数の和:71954

約数の個数: 240

約数和(自身を含む): 62587512000

約数和(自身を除く): 45866680560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 102, 114, 120, 136, 144, 152, 153, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 304, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1520, 1530, 1615, 1710, 1938, 2040, 2280, 2448, 2584, 2736, 2907, 3060, 3230, 3420, 3876, 4080, 4560, 4845, 5168, 5814, 6120, 6460, 6840, 7752, 9690, 11628, 12240, 12920, 13680, 14535, 15504, 19380, 23256, 25840, 29070, 38760, 46512, 58140, 71899, 77520, 116280, 143798, 215697, 232560, 287596, 359495, 431394, 575192, 647091, 718990, 862788, 1078485, 1150384, 1222283, 1294182, 1366081, 1437980, 1725576, 2156970, 2444566, 2588364, 2732162, 2875960, 3235455, 3451152, 3666849, 4098243, 4313940, 4889132, 5176728, 5464324, 5751920, 6111415, 6470910, 6830405, 7333698, 8196486, 8627880, 9778264, 10353456, 10928648, 11000547, 12222830, 12294729, 12941820, 13660810, 14667396, 16392972, 17255760, 18334245, 19556528, 20491215, 21857296, 22001094, 23223377, 24445660, 24589458, 25883640, 27321620, 29334792, 32785944, 36668490, 40982430, 44002188, 46446754, 48891320, 49178916, 51767280, 54643240, 55002735, 58669584, 61473645, 65571888, 69670131, 73336980, 81964860, 88004376, 92893508, 97782640, 98357832, 109286480, 110005470, 116116885, 122947290, 139340262, 146673960, 163929720, 176008752, 185787016, 196715664, 209010393, 220010940, 232233770, 245894580, 278680524, 293347920, 327859440, 348350655, 371574032, 418020786, 440021880, 464467540, 491789160, 557361048, 696701310, 836041572, 880043760, 928935080, 983578320, 1045051965, 1114722096, 1393402620, 1672083144, 1857870160, 2090103930, 2786805240, 3344166288, 4180207860, 5573610480, 8360415720, 16720831440]

約数ペア:

[(1, 16720831440), (2, 8360415720), (3, 5573610480), (4, 4180207860), (5, 3344166288), (6, 2786805240), (8, 2090103930), (9, 1857870160), (10, 1672083144), (12, 1393402620), (15, 1114722096), (16, 1045051965), (17, 983578320), (18, 928935080), (19, 880043760), (20, 836041572), (24, 696701310), (30, 557361048), (34, 491789160), (36, 464467540), (38, 440021880), (40, 418020786), (45, 371574032), (48, 348350655), (51, 327859440), (57, 293347920), (60, 278680524), (68, 245894580), (72, 232233770), (76, 220010940), (80, 209010393), (85, 196715664), (90, 185787016), (95, 176008752), (102, 163929720), (114, 146673960), (120, 139340262), (136, 122947290), (144, 116116885), (152, 110005470), (153, 109286480), (170, 98357832), (171, 97782640), (180, 92893508), (190, 88004376), (204, 81964860), (228, 73336980), (240, 69670131), (255, 65571888), (272, 61473645), (285, 58669584), (304, 55002735), (306, 54643240), (323, 51767280), (340, 49178916), (342, 48891320), (360, 46446754), (380, 44002188), (408, 40982430), (456, 36668490), (510, 32785944), (570, 29334792), (612, 27321620), (646, 25883640), (680, 24589458), (684, 24445660), (720, 23223377), (760, 22001094), (765, 21857296), (816, 20491215), (855, 19556528), (912, 18334245), (969, 17255760), (1020, 16392972), (1140, 14667396), (1224, 13660810), (1292, 12941820), (1360, 12294729), (1368, 12222830), (1520, 11000547), (1530, 10928648), (1615, 10353456), (1710, 9778264), (1938, 8627880), (2040, 8196486), (2280, 7333698), (2448, 6830405), (2584, 6470910), (2736, 6111415), (2907, 5751920), (3060, 5464324), (3230, 5176728), (3420, 4889132), (3876, 4313940), (4080, 4098243), (4560, 3666849), (4845, 3451152), (5168, 3235455), (5814, 2875960), (6120, 2732162), (6460, 2588364), (6840, 2444566), (7752, 2156970), (9690, 1725576), (11628, 1437980), (12240, 1366081), (12920, 1294182), (13680, 1222283), (14535, 1150384), (15504, 1078485), (19380, 862788), (23256, 718990), (25840, 647091), (29070, 575192), (38760, 431394), (46512, 359495), (58140, 287596), (71899, 232560), (77520, 215697), (116280, 143798)]