156874880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7907}}^1$

素因数の和:7957

約数の個数: 64

約数和(自身を含む): 387175680

約数和(自身を除く): 230300800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 7907, 9920, 15814, 19840, 31628, 39535, 63256, 79070, 126512, 158140, 245117, 253024, 316280, 490234, 506048, 632560, 980468, 1012096, 1225585, 1265120, 1960936, 2451170, 2530240, 3921872, 4902340, 5060480, 7843744, 9804680, 15687488, 19609360, 31374976, 39218720, 78437440, 156874880]

約数ペア:

[(1, 156874880), (2, 78437440), (4, 39218720), (5, 31374976), (8, 19609360), (10, 15687488), (16, 9804680), (20, 7843744), (31, 5060480), (32, 4902340), (40, 3921872), (62, 2530240), (64, 2451170), (80, 1960936), (124, 1265120), (128, 1225585), (155, 1012096), (160, 980468), (248, 632560), (310, 506048), (320, 490234), (496, 316280), (620, 253024), (640, 245117), (992, 158140), (1240, 126512), (1984, 79070), (2480, 63256), (3968, 39535), (4960, 31628), (7907, 19840), (9920, 15814)]