1491357920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 192

約数和(自身を含む): 3972810240

約数和(自身を除く): 2481452320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 101, 104, 124, 130, 155, 160, 202, 208, 229, 248, 260, 310, 403, 404, 416, 458, 496, 505, 520, 620, 806, 808, 916, 992, 1010, 1040, 1145, 1240, 1313, 1612, 1616, 1832, 2015, 2020, 2080, 2290, 2480, 2626, 2977, 3131, 3224, 3232, 3664, 4030, 4040, 4580, 4960, 5252, 5954, 6262, 6448, 6565, 7099, 7328, 8060, 8080, 9160, 10504, 11908, 12524, 12896, 13130, 14198, 14885, 15655, 16120, 16160, 18320, 21008, 23129, 23816, 25048, 26260, 28396, 29770, 31310, 32240, 35495, 36640, 40703, 42016, 46258, 47632, 50096, 52520, 56792, 59540, 62620, 64480, 70990, 81406, 92287, 92516, 95264, 100192, 105040, 113584, 115645, 119080, 125240, 141980, 162812, 184574, 185032, 203515, 210080, 227168, 231290, 238160, 250480, 283960, 300677, 325624, 369148, 370064, 407030, 461435, 462580, 476320, 500960, 567920, 601354, 651248, 716999, 738296, 740128, 814060, 922870, 925160, 1135840, 1202708, 1302496, 1433998, 1476592, 1503385, 1628120, 1845740, 1850320, 2405416, 2867996, 2953184, 3006770, 3256240, 3584995, 3691480, 3700640, 4810832, 5735992, 6013540, 6512480, 7169990, 7382960, 9320987, 9621664, 11471984, 12027080, 14339980, 14765920, 18641974, 22943968, 24054160, 28679960, 37283948, 46604935, 48108320, 57359920, 74567896, 93209870, 114719840, 149135792, 186419740, 298271584, 372839480, 745678960, 1491357920]

約数ペア:

[(1, 1491357920), (2, 745678960), (4, 372839480), (5, 298271584), (8, 186419740), (10, 149135792), (13, 114719840), (16, 93209870), (20, 74567896), (26, 57359920), (31, 48108320), (32, 46604935), (40, 37283948), (52, 28679960), (62, 24054160), (65, 22943968), (80, 18641974), (101, 14765920), (104, 14339980), (124, 12027080), (130, 11471984), (155, 9621664), (160, 9320987), (202, 7382960), (208, 7169990), (229, 6512480), (248, 6013540), (260, 5735992), (310, 4810832), (403, 3700640), (404, 3691480), (416, 3584995), (458, 3256240), (496, 3006770), (505, 2953184), (520, 2867996), (620, 2405416), (806, 1850320), (808, 1845740), (916, 1628120), (992, 1503385), (1010, 1476592), (1040, 1433998), (1145, 1302496), (1240, 1202708), (1313, 1135840), (1612, 925160), (1616, 922870), (1832, 814060), (2015, 740128), (2020, 738296), (2080, 716999), (2290, 651248), (2480, 601354), (2626, 567920), (2977, 500960), (3131, 476320), (3224, 462580), (3232, 461435), (3664, 407030), (4030, 370064), (4040, 369148), (4580, 325624), (4960, 300677), (5252, 283960), (5954, 250480), (6262, 238160), (6448, 231290), (6565, 227168), (7099, 210080), (7328, 203515), (8060, 185032), (8080, 184574), (9160, 162812), (10504, 141980), (11908, 125240), (12524, 119080), (12896, 115645), (13130, 113584), (14198, 105040), (14885, 100192), (15655, 95264), (16120, 92516), (16160, 92287), (18320, 81406), (21008, 70990), (23129, 64480), (23816, 62620), (25048, 59540), (26260, 56792), (28396, 52520), (29770, 50096), (31310, 47632), (32240, 46258), (35495, 42016), (36640, 40703)]