1490539960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:270

約数の個数: 256

約数和(自身を含む): 4311014400

約数和(自身を除く): 2820474440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 89, 91, 104, 107, 130, 140, 172, 178, 182, 214, 215, 260, 280, 301, 344, 356, 364, 428, 430, 445, 455, 520, 535, 559, 602, 623, 712, 728, 749, 856, 860, 890, 910, 1070, 1118, 1157, 1204, 1246, 1391, 1498, 1505, 1720, 1780, 1820, 2140, 2236, 2314, 2408, 2492, 2782, 2795, 2996, 3010, 3115, 3560, 3640, 3745, 3827, 3913, 4280, 4472, 4601, 4628, 4984, 5564, 5590, 5785, 5992, 6020, 6230, 6955, 7490, 7654, 7826, 8099, 9202, 9256, 9523, 9737, 11128, 11180, 11570, 12040, 12460, 13910, 14980, 15308, 15652, 16198, 18404, 19046, 19135, 19474, 19565, 22360, 23005, 23140, 24920, 26789, 27820, 29960, 30616, 31304, 32207, 32396, 36808, 38092, 38270, 38948, 39130, 40495, 46010, 46280, 47615, 48685, 49751, 53578, 55640, 59813, 64414, 64792, 66661, 76184, 76540, 77896, 78260, 80990, 92020, 95230, 97370, 99502, 107156, 119626, 123799, 128828, 133322, 133945, 153080, 156520, 161035, 161980, 184040, 190460, 194740, 199004, 214312, 239252, 247598, 248755, 257656, 266644, 267890, 299065, 322070, 323960, 333305, 348257, 380920, 389480, 398008, 409489, 418691, 478504, 495196, 497510, 533288, 535780, 598130, 618995, 644140, 666610, 696514, 818978, 837382, 866593, 990392, 995020, 1071560, 1196260, 1237990, 1288280, 1333220, 1393028, 1637956, 1674764, 1733186, 1741285, 1990040, 2047445, 2093455, 2392520, 2475980, 2666440, 2786056, 2866423, 3275912, 3349528, 3466372, 3482570, 4094890, 4186910, 4332965, 4951960, 5323357, 5732846, 6932744, 6965140, 8189780, 8373820, 8665930, 10646714, 11465692, 13930280, 14332115, 16379560, 16747640, 17331860, 21293428, 22931384, 26616785, 28664230, 34663720, 37263499, 42586856, 53233570, 57328460, 74526998, 106467140, 114656920, 149053996, 186317495, 212934280, 298107992, 372634990, 745269980, 1490539960]

約数ペア:

[(1, 1490539960), (2, 745269980), (4, 372634990), (5, 298107992), (7, 212934280), (8, 186317495), (10, 149053996), (13, 114656920), (14, 106467140), (20, 74526998), (26, 57328460), (28, 53233570), (35, 42586856), (40, 37263499), (43, 34663720), (52, 28664230), (56, 26616785), (65, 22931384), (70, 21293428), (86, 17331860), (89, 16747640), (91, 16379560), (104, 14332115), (107, 13930280), (130, 11465692), (140, 10646714), (172, 8665930), (178, 8373820), (182, 8189780), (214, 6965140), (215, 6932744), (260, 5732846), (280, 5323357), (301, 4951960), (344, 4332965), (356, 4186910), (364, 4094890), (428, 3482570), (430, 3466372), (445, 3349528), (455, 3275912), (520, 2866423), (535, 2786056), (559, 2666440), (602, 2475980), (623, 2392520), (712, 2093455), (728, 2047445), (749, 1990040), (856, 1741285), (860, 1733186), (890, 1674764), (910, 1637956), (1070, 1393028), (1118, 1333220), (1157, 1288280), (1204, 1237990), (1246, 1196260), (1391, 1071560), (1498, 995020), (1505, 990392), (1720, 866593), (1780, 837382), (1820, 818978), (2140, 696514), (2236, 666610), (2314, 644140), (2408, 618995), (2492, 598130), (2782, 535780), (2795, 533288), (2996, 497510), (3010, 495196), (3115, 478504), (3560, 418691), (3640, 409489), (3745, 398008), (3827, 389480), (3913, 380920), (4280, 348257), (4472, 333305), (4601, 323960), (4628, 322070), (4984, 299065), (5564, 267890), (5590, 266644), (5785, 257656), (5992, 248755), (6020, 247598), (6230, 239252), (6955, 214312), (7490, 199004), (7654, 194740), (7826, 190460), (8099, 184040), (9202, 161980), (9256, 161035), (9523, 156520), (9737, 153080), (11128, 133945), (11180, 133322), (11570, 128828), (12040, 123799), (12460, 119626), (13910, 107156), (14980, 99502), (15308, 97370), (15652, 95230), (16198, 92020), (18404, 80990), (19046, 78260), (19135, 77896), (19474, 76540), (19565, 76184), (22360, 66661), (23005, 64792), (23140, 64414), (24920, 59813), (26789, 55640), (27820, 53578), (29960, 49751), (30616, 48685), (31304, 47615), (32207, 46280), (32396, 46010), (36808, 40495), (38092, 39130), (38270, 38948)]