30663340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 70664832

約数和(自身を除く): 40001492

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 137, 155, 190, 274, 310, 361, 380, 548, 589, 620, 685, 722, 1178, 1370, 1444, 1805, 2356, 2603, 2740, 2945, 3610, 4247, 5206, 5890, 7220, 8494, 10412, 11191, 11780, 13015, 16988, 21235, 22382, 26030, 42470, 44764, 49457, 52060, 55955, 80693, 84940, 98914, 111910, 161386, 197828, 223820, 247285, 322772, 403465, 494570, 806930, 989140, 1533167, 1613860, 3066334, 6132668, 7665835, 15331670, 30663340]

約数ペア:

[(1, 30663340), (2, 15331670), (4, 7665835), (5, 6132668), (10, 3066334), (19, 1613860), (20, 1533167), (31, 989140), (38, 806930), (62, 494570), (76, 403465), (95, 322772), (124, 247285), (137, 223820), (155, 197828), (190, 161386), (274, 111910), (310, 98914), (361, 84940), (380, 80693), (548, 55955), (589, 52060), (620, 49457), (685, 44764), (722, 42470), (1178, 26030), (1370, 22382), (1444, 21235), (1805, 16988), (2356, 13015), (2603, 11780), (2740, 11191), (2945, 10412), (3610, 8494), (4247, 7220), (5206, 5890)]