20199965040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{3319}}^1$

素因数の和:3524

約数の個数: 240

約数和(自身を含む): 69359846400

約数和(自身を除く): 49159881360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 107, 120, 144, 158, 180, 214, 237, 240, 316, 321, 360, 395, 428, 474, 535, 632, 642, 711, 720, 790, 856, 948, 963, 1070, 1185, 1264, 1284, 1422, 1580, 1605, 1712, 1896, 1926, 2140, 2370, 2568, 2844, 3160, 3210, 3319, 3555, 3792, 3852, 4280, 4740, 4815, 5136, 5688, 6320, 6420, 6638, 7110, 7704, 8453, 8560, 9480, 9630, 9957, 11376, 12840, 13276, 14220, 15408, 16595, 16906, 18960, 19260, 19914, 25359, 25680, 26552, 28440, 29871, 33190, 33812, 38520, 39828, 42265, 49785, 50718, 53104, 56880, 59742, 66380, 67624, 76077, 77040, 79656, 84530, 99570, 101436, 119484, 126795, 132760, 135248, 149355, 152154, 159312, 169060, 199140, 202872, 238968, 253590, 262201, 265520, 298710, 304308, 338120, 355133, 380385, 398280, 405744, 477936, 507180, 524402, 597420, 608616, 676240, 710266, 760770, 786603, 796560, 1014360, 1048804, 1065399, 1194840, 1217232, 1311005, 1420532, 1521540, 1573206, 1775665, 2028720, 2097608, 2130798, 2359809, 2389680, 2622010, 2841064, 3043080, 3146412, 3196197, 3551330, 3933015, 4195216, 4261596, 4719618, 5244020, 5326995, 5682128, 6086160, 6292824, 6392394, 7102660, 7866030, 8523192, 9439236, 10488040, 10653990, 11799045, 12585648, 12784788, 14205320, 15732060, 15980985, 17046384, 18878472, 20976080, 21307980, 23598090, 25569576, 28055507, 28410640, 31464120, 31961970, 37756944, 42615960, 47196180, 51139152, 56111014, 62928240, 63923940, 84166521, 85231920, 94392360, 112222028, 127847880, 140277535, 168333042, 188784720, 224444056, 252499563, 255695760, 280555070, 336666084, 420832605, 448888112, 504999126, 561110140, 673332168, 841665210, 1009998252, 1122220280, 1262497815, 1346664336, 1683330420, 2019996504, 2244440560, 2524995630, 3366660840, 4039993008, 5049991260, 6733321680, 10099982520, 20199965040]

約数ペア:

[(1, 20199965040), (2, 10099982520), (3, 6733321680), (4, 5049991260), (5, 4039993008), (6, 3366660840), (8, 2524995630), (9, 2244440560), (10, 2019996504), (12, 1683330420), (15, 1346664336), (16, 1262497815), (18, 1122220280), (20, 1009998252), (24, 841665210), (30, 673332168), (36, 561110140), (40, 504999126), (45, 448888112), (48, 420832605), (60, 336666084), (72, 280555070), (79, 255695760), (80, 252499563), (90, 224444056), (107, 188784720), (120, 168333042), (144, 140277535), (158, 127847880), (180, 112222028), (214, 94392360), (237, 85231920), (240, 84166521), (316, 63923940), (321, 62928240), (360, 56111014), (395, 51139152), (428, 47196180), (474, 42615960), (535, 37756944), (632, 31961970), (642, 31464120), (711, 28410640), (720, 28055507), (790, 25569576), (856, 23598090), (948, 21307980), (963, 20976080), (1070, 18878472), (1185, 17046384), (1264, 15980985), (1284, 15732060), (1422, 14205320), (1580, 12784788), (1605, 12585648), (1712, 11799045), (1896, 10653990), (1926, 10488040), (2140, 9439236), (2370, 8523192), (2568, 7866030), (2844, 7102660), (3160, 6392394), (3210, 6292824), (3319, 6086160), (3555, 5682128), (3792, 5326995), (3852, 5244020), (4280, 4719618), (4740, 4261596), (4815, 4195216), (5136, 3933015), (5688, 3551330), (6320, 3196197), (6420, 3146412), (6638, 3043080), (7110, 2841064), (7704, 2622010), (8453, 2389680), (8560, 2359809), (9480, 2130798), (9630, 2097608), (9957, 2028720), (11376, 1775665), (12840, 1573206), (13276, 1521540), (14220, 1420532), (15408, 1311005), (16595, 1217232), (16906, 1194840), (18960, 1065399), (19260, 1048804), (19914, 1014360), (25359, 796560), (25680, 786603), (26552, 760770), (28440, 710266), (29871, 676240), (33190, 608616), (33812, 597420), (38520, 524402), (39828, 507180), (42265, 477936), (49785, 405744), (50718, 398280), (53104, 380385), (56880, 355133), (59742, 338120), (66380, 304308), (67624, 298710), (76077, 265520), (77040, 262201), (79656, 253590), (84530, 238968), (99570, 202872), (101436, 199140), (119484, 169060), (126795, 159312), (132760, 152154), (135248, 149355)]