131290380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:3000

約数の個数: 144

約数和(自身を含む): 451607520

約数和(自身を除く): 320317140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2953, 2964, 3420, 3705, 4446, 4940, 5906, 7410, 8859, 8892, 11115, 11812, 14765, 14820, 17718, 22230, 26577, 29530, 35436, 38389, 44295, 44460, 53154, 56107, 59060, 76778, 88590, 106308, 112214, 115167, 132885, 153556, 168321, 177180, 191945, 224428, 230334, 265770, 280535, 336642, 345501, 383890, 460668, 504963, 531540, 561070, 575835, 673284, 691002, 729391, 767780, 841605, 1009926, 1122140, 1151670, 1382004, 1458782, 1683210, 1727505, 2019852, 2188173, 2303340, 2524815, 2917564, 3366420, 3455010, 3646955, 4376346, 5049630, 6564519, 6910020, 7293910, 8752692, 10099260, 10940865, 13129038, 14587820, 21881730, 26258076, 32822595, 43763460, 65645190, 131290380]

約数ペア:

[(1, 131290380), (2, 65645190), (3, 43763460), (4, 32822595), (5, 26258076), (6, 21881730), (9, 14587820), (10, 13129038), (12, 10940865), (13, 10099260), (15, 8752692), (18, 7293910), (19, 6910020), (20, 6564519), (26, 5049630), (30, 4376346), (36, 3646955), (38, 3455010), (39, 3366420), (45, 2917564), (52, 2524815), (57, 2303340), (60, 2188173), (65, 2019852), (76, 1727505), (78, 1683210), (90, 1458782), (95, 1382004), (114, 1151670), (117, 1122140), (130, 1009926), (156, 841605), (171, 767780), (180, 729391), (190, 691002), (195, 673284), (228, 575835), (234, 561070), (247, 531540), (260, 504963), (285, 460668), (342, 383890), (380, 345501), (390, 336642), (468, 280535), (494, 265770), (570, 230334), (585, 224428), (684, 191945), (741, 177180), (780, 168321), (855, 153556), (988, 132885), (1140, 115167), (1170, 112214), (1235, 106308), (1482, 88590), (1710, 76778), (2223, 59060), (2340, 56107), (2470, 53154), (2953, 44460), (2964, 44295), (3420, 38389), (3705, 35436), (4446, 29530), (4940, 26577), (5906, 22230), (7410, 17718), (8859, 14820), (8892, 14765), (11115, 11812)]