391911480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 256

約数和(自身を含む): 1399680000

約数和(自身を除く): 1007768520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 71, 72, 76, 90, 95, 108, 114, 120, 135, 142, 152, 171, 180, 190, 213, 216, 228, 269, 270, 284, 285, 342, 355, 360, 380, 426, 456, 513, 538, 540, 568, 570, 639, 684, 710, 760, 807, 852, 855, 1026, 1065, 1076, 1080, 1140, 1278, 1345, 1349, 1368, 1420, 1614, 1704, 1710, 1917, 2052, 2130, 2152, 2280, 2421, 2556, 2565, 2690, 2698, 2840, 3195, 3228, 3420, 3834, 4035, 4047, 4104, 4260, 4842, 5111, 5112, 5130, 5380, 5396, 6390, 6456, 6745, 6840, 7263, 7668, 8070, 8094, 8520, 9585, 9684, 10222, 10260, 10760, 10792, 12105, 12141, 12780, 13490, 14526, 15333, 15336, 16140, 16188, 19099, 19170, 19368, 20235, 20444, 20520, 24210, 24282, 25555, 25560, 26980, 29052, 30666, 32280, 32376, 36315, 36423, 38198, 38340, 40470, 40888, 45999, 48420, 48564, 51110, 53960, 57297, 58104, 60705, 61332, 72630, 72846, 76396, 76665, 76680, 80940, 91998, 95495, 96840, 97128, 102220, 114594, 121410, 122664, 137997, 145260, 145692, 152792, 153330, 161880, 171891, 182115, 183996, 190990, 204440, 229188, 229995, 242820, 275994, 286485, 290520, 291384, 306660, 343782, 362881, 364230, 367992, 381980, 458376, 459990, 485640, 515673, 551988, 572970, 613320, 687564, 689985, 725762, 728460, 763960, 859455, 919980, 1031346, 1088643, 1103976, 1145940, 1375128, 1379970, 1451524, 1456920, 1718910, 1814405, 1839960, 2062692, 2177286, 2291880, 2578365, 2759940, 2903048, 3265929, 3437820, 3628810, 4125384, 4354572, 5156730, 5443215, 5519880, 6531858, 6875640, 7257620, 8709144, 9797787, 10313460, 10886430, 13063716, 14515240, 16329645, 19595574, 20626920, 21772860, 26127432, 32659290, 39191148, 43545720, 48988935, 65318580, 78382296, 97977870, 130637160, 195955740, 391911480]

約数ペア:

[(1, 391911480), (2, 195955740), (3, 130637160), (4, 97977870), (5, 78382296), (6, 65318580), (8, 48988935), (9, 43545720), (10, 39191148), (12, 32659290), (15, 26127432), (18, 21772860), (19, 20626920), (20, 19595574), (24, 16329645), (27, 14515240), (30, 13063716), (36, 10886430), (38, 10313460), (40, 9797787), (45, 8709144), (54, 7257620), (57, 6875640), (60, 6531858), (71, 5519880), (72, 5443215), (76, 5156730), (90, 4354572), (95, 4125384), (108, 3628810), (114, 3437820), (120, 3265929), (135, 2903048), (142, 2759940), (152, 2578365), (171, 2291880), (180, 2177286), (190, 2062692), (213, 1839960), (216, 1814405), (228, 1718910), (269, 1456920), (270, 1451524), (284, 1379970), (285, 1375128), (342, 1145940), (355, 1103976), (360, 1088643), (380, 1031346), (426, 919980), (456, 859455), (513, 763960), (538, 728460), (540, 725762), (568, 689985), (570, 687564), (639, 613320), (684, 572970), (710, 551988), (760, 515673), (807, 485640), (852, 459990), (855, 458376), (1026, 381980), (1065, 367992), (1076, 364230), (1080, 362881), (1140, 343782), (1278, 306660), (1345, 291384), (1349, 290520), (1368, 286485), (1420, 275994), (1614, 242820), (1704, 229995), (1710, 229188), (1917, 204440), (2052, 190990), (2130, 183996), (2152, 182115), (2280, 171891), (2421, 161880), (2556, 153330), (2565, 152792), (2690, 145692), (2698, 145260), (2840, 137997), (3195, 122664), (3228, 121410), (3420, 114594), (3834, 102220), (4035, 97128), (4047, 96840), (4104, 95495), (4260, 91998), (4842, 80940), (5111, 76680), (5112, 76665), (5130, 76396), (5380, 72846), (5396, 72630), (6390, 61332), (6456, 60705), (6745, 58104), (6840, 57297), (7263, 53960), (7668, 51110), (8070, 48564), (8094, 48420), (8520, 45999), (9585, 40888), (9684, 40470), (10222, 38340), (10260, 38198), (10760, 36423), (10792, 36315), (12105, 32376), (12141, 32280), (12780, 30666), (13490, 29052), (14526, 26980), (15333, 25560), (15336, 25555), (16140, 24282), (16188, 24210), (19099, 20520), (19170, 20444), (19368, 20235)]