31724940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 96949440

約数和(自身を除く): 65224500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 356, 390, 445, 457, 534, 780, 890, 914, 1068, 1157, 1335, 1371, 1780, 1828, 2285, 2314, 2670, 2742, 3471, 4570, 4628, 5340, 5484, 5785, 5941, 6855, 6942, 9140, 11570, 11882, 13710, 13884, 17355, 17823, 23140, 23764, 27420, 29705, 34710, 35646, 40673, 59410, 69420, 71292, 81346, 89115, 118820, 122019, 162692, 178230, 203365, 244038, 356460, 406730, 488076, 528749, 610095, 813460, 1057498, 1220190, 1586247, 2114996, 2440380, 2643745, 3172494, 5287490, 6344988, 7931235, 10574980, 15862470, 31724940]

約数ペア:

[(1, 31724940), (2, 15862470), (3, 10574980), (4, 7931235), (5, 6344988), (6, 5287490), (10, 3172494), (12, 2643745), (13, 2440380), (15, 2114996), (20, 1586247), (26, 1220190), (30, 1057498), (39, 813460), (52, 610095), (60, 528749), (65, 488076), (78, 406730), (89, 356460), (130, 244038), (156, 203365), (178, 178230), (195, 162692), (260, 122019), (267, 118820), (356, 89115), (390, 81346), (445, 71292), (457, 69420), (534, 59410), (780, 40673), (890, 35646), (914, 34710), (1068, 29705), (1157, 27420), (1335, 23764), (1371, 23140), (1780, 17823), (1828, 17355), (2285, 13884), (2314, 13710), (2670, 11882), (2742, 11570), (3471, 9140), (4570, 6942), (4628, 6855), (5340, 5941), (5484, 5785)]