78908220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 256864608

約数和(自身を除く): 177956388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 107, 153, 170, 180, 204, 214, 241, 255, 306, 321, 340, 428, 482, 510, 535, 612, 642, 723, 765, 963, 964, 1020, 1070, 1205, 1284, 1446, 1530, 1605, 1819, 1926, 2140, 2169, 2410, 2892, 3060, 3210, 3615, 3638, 3852, 4097, 4338, 4815, 4820, 5457, 6420, 7230, 7276, 8194, 8676, 9095, 9630, 10845, 10914, 12291, 14460, 16371, 16388, 18190, 19260, 20485, 21690, 21828, 24582, 25787, 27285, 32742, 36380, 36873, 40970, 43380, 49164, 51574, 54570, 61455, 65484, 73746, 77361, 81855, 81940, 103148, 109140, 122910, 128935, 147492, 154722, 163710, 184365, 232083, 245820, 257870, 309444, 327420, 368730, 386805, 438379, 464166, 515740, 737460, 773610, 876758, 928332, 1160415, 1315137, 1547220, 1753516, 2191895, 2320830, 2630274, 3945411, 4383790, 4641660, 5260548, 6575685, 7890822, 8767580, 13151370, 15781644, 19727055, 26302740, 39454110, 78908220]

約数ペア:

[(1, 78908220), (2, 39454110), (3, 26302740), (4, 19727055), (5, 15781644), (6, 13151370), (9, 8767580), (10, 7890822), (12, 6575685), (15, 5260548), (17, 4641660), (18, 4383790), (20, 3945411), (30, 2630274), (34, 2320830), (36, 2191895), (45, 1753516), (51, 1547220), (60, 1315137), (68, 1160415), (85, 928332), (90, 876758), (102, 773610), (107, 737460), (153, 515740), (170, 464166), (180, 438379), (204, 386805), (214, 368730), (241, 327420), (255, 309444), (306, 257870), (321, 245820), (340, 232083), (428, 184365), (482, 163710), (510, 154722), (535, 147492), (612, 128935), (642, 122910), (723, 109140), (765, 103148), (963, 81940), (964, 81855), (1020, 77361), (1070, 73746), (1205, 65484), (1284, 61455), (1446, 54570), (1530, 51574), (1605, 49164), (1819, 43380), (1926, 40970), (2140, 36873), (2169, 36380), (2410, 32742), (2892, 27285), (3060, 25787), (3210, 24582), (3615, 21828), (3638, 21690), (3852, 20485), (4097, 19260), (4338, 18190), (4815, 16388), (4820, 16371), (5457, 14460), (6420, 12291), (7230, 10914), (7276, 10845), (8194, 9630), (8676, 9095)]