15166940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 18701860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 239, 334, 380, 478, 668, 835, 956, 1195, 1670, 2390, 3173, 3340, 4541, 4780, 6346, 9082, 12692, 15865, 18164, 22705, 31730, 39913, 45410, 63460, 79826, 90820, 159652, 199565, 399130, 758347, 798260, 1516694, 3033388, 3791735, 7583470, 15166940]

約数ペア:

[(1, 15166940), (2, 7583470), (4, 3791735), (5, 3033388), (10, 1516694), (19, 798260), (20, 758347), (38, 399130), (76, 199565), (95, 159652), (167, 90820), (190, 79826), (239, 63460), (334, 45410), (380, 39913), (478, 31730), (668, 22705), (835, 18164), (956, 15865), (1195, 12692), (1670, 9082), (2390, 6346), (3173, 4780), (3340, 4541)]