1555140610820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{2118547}}^1$

素因数の和:2118717

約数の個数: 72

約数和(自身を含む): 3496519412736

約数和(自身を除く): 1941378801916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 289, 340, 508, 578, 635, 1156, 1270, 1445, 2159, 2540, 2890, 4318, 5780, 8636, 10795, 21590, 36703, 43180, 73406, 146812, 183515, 367030, 734060, 2118547, 4237094, 8474188, 10592735, 21185470, 36015299, 42370940, 72030598, 144061196, 180076495, 269055469, 360152990, 538110938, 612260083, 720305980, 1076221876, 1224520166, 1345277345, 2449040332, 2690554690, 3061300415, 4573942973, 5381109380, 6122600830, 9147885946, 12245201660, 18295771892, 22869714865, 45739429730, 77757030541, 91478859460, 155514061082, 311028122164, 388785152705, 777570305410, 1555140610820]

約数ペア:

[(1, 1555140610820), (2, 777570305410), (4, 388785152705), (5, 311028122164), (10, 155514061082), (17, 91478859460), (20, 77757030541), (34, 45739429730), (68, 22869714865), (85, 18295771892), (127, 12245201660), (170, 9147885946), (254, 6122600830), (289, 5381109380), (340, 4573942973), (508, 3061300415), (578, 2690554690), (635, 2449040332), (1156, 1345277345), (1270, 1224520166), (1445, 1076221876), (2159, 720305980), (2540, 612260083), (2890, 538110938), (4318, 360152990), (5780, 269055469), (8636, 180076495), (10795, 144061196), (21590, 72030598), (36703, 42370940), (43180, 36015299), (73406, 21185470), (146812, 10592735), (183515, 8474188), (367030, 4237094), (734060, 2118547)]