71648460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 238064736

約数和(自身を除く): 166416276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 335, 390, 402, 457, 468, 585, 603, 670, 780, 804, 871, 914, 1005, 1170, 1206, 1340, 1371, 1742, 1828, 2010, 2285, 2340, 2412, 2613, 2742, 3015, 3484, 4020, 4113, 4355, 4570, 5226, 5484, 5941, 6030, 6855, 7839, 8226, 8710, 9140, 10452, 11882, 12060, 13065, 13710, 15678, 16452, 17420, 17823, 20565, 23764, 26130, 27420, 29705, 30619, 31356, 35646, 39195, 41130, 52260, 53469, 59410, 61238, 71292, 78390, 82260, 89115, 91857, 106938, 118820, 122476, 153095, 156780, 178230, 183714, 213876, 267345, 275571, 306190, 356460, 367428, 398047, 459285, 534690, 551142, 612380, 796094, 918570, 1069380, 1102284, 1194141, 1377855, 1592188, 1837140, 1990235, 2388282, 2755710, 3582423, 3980470, 4776564, 5511420, 5970705, 7164846, 7960940, 11941410, 14329692, 17912115, 23882820, 35824230, 71648460]

約数ペア:

[(1, 71648460), (2, 35824230), (3, 23882820), (4, 17912115), (5, 14329692), (6, 11941410), (9, 7960940), (10, 7164846), (12, 5970705), (13, 5511420), (15, 4776564), (18, 3980470), (20, 3582423), (26, 2755710), (30, 2388282), (36, 1990235), (39, 1837140), (45, 1592188), (52, 1377855), (60, 1194141), (65, 1102284), (67, 1069380), (78, 918570), (90, 796094), (117, 612380), (130, 551142), (134, 534690), (156, 459285), (180, 398047), (195, 367428), (201, 356460), (234, 306190), (260, 275571), (268, 267345), (335, 213876), (390, 183714), (402, 178230), (457, 156780), (468, 153095), (585, 122476), (603, 118820), (670, 106938), (780, 91857), (804, 89115), (871, 82260), (914, 78390), (1005, 71292), (1170, 61238), (1206, 59410), (1340, 53469), (1371, 52260), (1742, 41130), (1828, 39195), (2010, 35646), (2285, 31356), (2340, 30619), (2412, 29705), (2613, 27420), (2742, 26130), (3015, 23764), (3484, 20565), (4020, 17823), (4113, 17420), (4355, 16452), (4570, 15678), (5226, 13710), (5484, 13065), (5941, 12060), (6030, 11882), (6855, 10452), (7839, 9140), (8226, 8710)]