8438940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 25841088

約数和(自身を除く): 17402148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 271, 346, 519, 542, 692, 813, 865, 1038, 1084, 1355, 1557, 1626, 1730, 2076, 2439, 2595, 2710, 3114, 3252, 3460, 4065, 4878, 5190, 5420, 6228, 7785, 8130, 9756, 10380, 12195, 15570, 16260, 24390, 31140, 46883, 48780, 93766, 140649, 187532, 234415, 281298, 421947, 468830, 562596, 703245, 843894, 937660, 1406490, 1687788, 2109735, 2812980, 4219470, 8438940]

約数ペア:

[(1, 8438940), (2, 4219470), (3, 2812980), (4, 2109735), (5, 1687788), (6, 1406490), (9, 937660), (10, 843894), (12, 703245), (15, 562596), (18, 468830), (20, 421947), (30, 281298), (36, 234415), (45, 187532), (60, 140649), (90, 93766), (173, 48780), (180, 46883), (271, 31140), (346, 24390), (519, 16260), (542, 15570), (692, 12195), (813, 10380), (865, 9756), (1038, 8130), (1084, 7785), (1355, 6228), (1557, 5420), (1626, 5190), (1730, 4878), (2076, 4065), (2439, 3460), (2595, 3252), (2710, 3114)]