1289014720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1051

約数の個数: 224

約数和(自身を含む): 3815608320

約数和(自身を除く): 2526593600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 64, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 320, 380, 434, 448, 496, 532, 560, 589, 608, 620, 665, 760, 868, 977, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1520, 1736, 1954, 1984, 2128, 2170, 2240, 2356, 2480, 2660, 2945, 3040, 3472, 3908, 4123, 4256, 4340, 4712, 4885, 4960, 5320, 5890, 6080, 6839, 6944, 7816, 8246, 8512, 8680, 9424, 9770, 9920, 10640, 11780, 13678, 13888, 15632, 16492, 17360, 18563, 18848, 19540, 20615, 21280, 23560, 27356, 30287, 31264, 32984, 34195, 34720, 37126, 37696, 39080, 41230, 42560, 47120, 54712, 60574, 62528, 65968, 68390, 69440, 74252, 78160, 82460, 92815, 94240, 109424, 121148, 129941, 131936, 136780, 148504, 151435, 156320, 164920, 185630, 188480, 212009, 218848, 242296, 259882, 263872, 273560, 297008, 302870, 312640, 329840, 371260, 424018, 437696, 484592, 519764, 547120, 575453, 594016, 605740, 649705, 659680, 742520, 848036, 969184, 1039528, 1060045, 1094240, 1150906, 1188032, 1211480, 1299410, 1319360, 1485040, 1696072, 1938368, 2079056, 2120090, 2188480, 2301812, 2422960, 2598820, 2877265, 2970080, 3392144, 4028171, 4158112, 4240180, 4603624, 4845920, 5197640, 5754530, 5940160, 6784288, 8056342, 8316224, 8480360, 9207248, 9691840, 10395280, 11509060, 13568576, 16112684, 16960720, 18414496, 20140855, 20790560, 23018120, 32225368, 33921440, 36828992, 40281710, 41581120, 46036240, 64450736, 67842880, 80563420, 92072480, 128901472, 161126840, 184144960, 257802944, 322253680, 644507360, 1289014720]

約数ペア:

[(1, 1289014720), (2, 644507360), (4, 322253680), (5, 257802944), (7, 184144960), (8, 161126840), (10, 128901472), (14, 92072480), (16, 80563420), (19, 67842880), (20, 64450736), (28, 46036240), (31, 41581120), (32, 40281710), (35, 36828992), (38, 33921440), (40, 32225368), (56, 23018120), (62, 20790560), (64, 20140855), (70, 18414496), (76, 16960720), (80, 16112684), (95, 13568576), (112, 11509060), (124, 10395280), (133, 9691840), (140, 9207248), (152, 8480360), (155, 8316224), (160, 8056342), (190, 6784288), (217, 5940160), (224, 5754530), (248, 5197640), (266, 4845920), (280, 4603624), (304, 4240180), (310, 4158112), (320, 4028171), (380, 3392144), (434, 2970080), (448, 2877265), (496, 2598820), (532, 2422960), (560, 2301812), (589, 2188480), (608, 2120090), (620, 2079056), (665, 1938368), (760, 1696072), (868, 1485040), (977, 1319360), (992, 1299410), (1064, 1211480), (1085, 1188032), (1120, 1150906), (1178, 1094240), (1216, 1060045), (1240, 1039528), (1330, 969184), (1520, 848036), (1736, 742520), (1954, 659680), (1984, 649705), (2128, 605740), (2170, 594016), (2240, 575453), (2356, 547120), (2480, 519764), (2660, 484592), (2945, 437696), (3040, 424018), (3472, 371260), (3908, 329840), (4123, 312640), (4256, 302870), (4340, 297008), (4712, 273560), (4885, 263872), (4960, 259882), (5320, 242296), (5890, 218848), (6080, 212009), (6839, 188480), (6944, 185630), (7816, 164920), (8246, 156320), (8512, 151435), (8680, 148504), (9424, 136780), (9770, 131936), (9920, 129941), (10640, 121148), (11780, 109424), (13678, 94240), (13888, 92815), (15632, 82460), (16492, 78160), (17360, 74252), (18563, 69440), (18848, 68390), (19540, 65968), (20615, 62528), (21280, 60574), (23560, 54712), (27356, 47120), (30287, 42560), (31264, 41230), (32984, 39080), (34195, 37696), (34720, 37126)]