1709440640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:842

約数の個数: 128

約数和(自身を含む): 4326350400

約数和(自身を除く): 2616909760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 257, 304, 320, 380, 514, 547, 608, 640, 760, 1028, 1094, 1216, 1285, 1520, 2056, 2188, 2432, 2570, 2735, 3040, 4112, 4376, 4883, 5140, 5470, 6080, 8224, 8752, 9766, 10280, 10393, 10940, 12160, 16448, 17504, 19532, 20560, 20786, 21880, 24415, 32896, 35008, 39064, 41120, 41572, 43760, 48830, 51965, 70016, 78128, 82240, 83144, 87520, 97660, 103930, 140579, 156256, 164480, 166288, 175040, 195320, 207860, 281158, 312512, 332576, 350080, 390640, 415720, 562316, 625024, 665152, 702895, 781280, 831440, 1124632, 1330304, 1405790, 1562560, 1662880, 2249264, 2671001, 2811580, 3125120, 3325760, 4498528, 5342002, 5623160, 6651520, 8997056, 10684004, 11246320, 13355005, 17994112, 21368008, 22492640, 26710010, 42736016, 44985280, 53420020, 85472032, 89970560, 106840040, 170944064, 213680080, 341888128, 427360160, 854720320, 1709440640]

約数ペア:

[(1, 1709440640), (2, 854720320), (4, 427360160), (5, 341888128), (8, 213680080), (10, 170944064), (16, 106840040), (19, 89970560), (20, 85472032), (32, 53420020), (38, 44985280), (40, 42736016), (64, 26710010), (76, 22492640), (80, 21368008), (95, 17994112), (128, 13355005), (152, 11246320), (160, 10684004), (190, 8997056), (257, 6651520), (304, 5623160), (320, 5342002), (380, 4498528), (514, 3325760), (547, 3125120), (608, 2811580), (640, 2671001), (760, 2249264), (1028, 1662880), (1094, 1562560), (1216, 1405790), (1285, 1330304), (1520, 1124632), (2056, 831440), (2188, 781280), (2432, 702895), (2570, 665152), (2735, 625024), (3040, 562316), (4112, 415720), (4376, 390640), (4883, 350080), (5140, 332576), (5470, 312512), (6080, 281158), (8224, 207860), (8752, 195320), (9766, 175040), (10280, 166288), (10393, 164480), (10940, 156256), (12160, 140579), (16448, 103930), (17504, 97660), (19532, 87520), (20560, 83144), (20786, 82240), (21880, 78128), (24415, 70016), (32896, 51965), (35008, 48830), (39064, 43760), (41120, 41572)]