1387127240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2943

約数の個数: 128

約数和(自身を含む): 3560785920

約数和(自身を除く): 2173658680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 85, 92, 115, 124, 136, 155, 170, 184, 230, 248, 310, 340, 391, 460, 527, 620, 680, 713, 782, 920, 1054, 1240, 1426, 1564, 1955, 2108, 2635, 2852, 2861, 3128, 3565, 3910, 4216, 5270, 5704, 5722, 7130, 7820, 10540, 11444, 12121, 14260, 14305, 15640, 21080, 22888, 24242, 28520, 28610, 48484, 48637, 57220, 60605, 65803, 88691, 96968, 97274, 114440, 121210, 131606, 177382, 194548, 242420, 243185, 263212, 329015, 354764, 389096, 443455, 484840, 486370, 526424, 658030, 709528, 886910, 972740, 1118651, 1316060, 1507747, 1773820, 1945480, 2039893, 2237302, 2632120, 3015494, 3547640, 4079786, 4474604, 5593255, 6030988, 7538735, 8159572, 8949208, 10199465, 11186510, 12061976, 15077470, 16319144, 20398930, 22373020, 30154940, 34678181, 40797860, 44746040, 60309880, 69356362, 81595720, 138712724, 173390905, 277425448, 346781810, 693563620, 1387127240]

約数ペア:

[(1, 1387127240), (2, 693563620), (4, 346781810), (5, 277425448), (8, 173390905), (10, 138712724), (17, 81595720), (20, 69356362), (23, 60309880), (31, 44746040), (34, 40797860), (40, 34678181), (46, 30154940), (62, 22373020), (68, 20398930), (85, 16319144), (92, 15077470), (115, 12061976), (124, 11186510), (136, 10199465), (155, 8949208), (170, 8159572), (184, 7538735), (230, 6030988), (248, 5593255), (310, 4474604), (340, 4079786), (391, 3547640), (460, 3015494), (527, 2632120), (620, 2237302), (680, 2039893), (713, 1945480), (782, 1773820), (920, 1507747), (1054, 1316060), (1240, 1118651), (1426, 972740), (1564, 886910), (1955, 709528), (2108, 658030), (2635, 526424), (2852, 486370), (2861, 484840), (3128, 443455), (3565, 389096), (3910, 354764), (4216, 329015), (5270, 263212), (5704, 243185), (5722, 242420), (7130, 194548), (7820, 177382), (10540, 131606), (11444, 121210), (12121, 114440), (14260, 97274), (14305, 96968), (15640, 88691), (21080, 65803), (22888, 60605), (24242, 57220), (28520, 48637), (28610, 48484)]