428281120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1218

約数の個数: 96

約数和(自身を含む): 1058641920

約数和(自身を除く): 630360800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 790, 992, 1093, 1240, 1264, 1580, 2186, 2449, 2480, 2528, 3160, 4372, 4898, 4960, 5465, 6320, 8744, 9796, 10930, 12245, 12640, 17488, 19592, 21860, 24490, 33883, 34976, 39184, 43720, 48980, 67766, 78368, 86347, 87440, 97960, 135532, 169415, 172694, 174880, 195920, 271064, 338830, 345388, 391840, 431735, 542128, 677660, 690776, 863470, 1084256, 1355320, 1381552, 1726940, 2676757, 2710640, 2763104, 3453880, 5353514, 5421280, 6907760, 10707028, 13383785, 13815520, 21414056, 26767570, 42828112, 53535140, 85656224, 107070280, 214140560, 428281120]

約数ペア:

[(1, 428281120), (2, 214140560), (4, 107070280), (5, 85656224), (8, 53535140), (10, 42828112), (16, 26767570), (20, 21414056), (31, 13815520), (32, 13383785), (40, 10707028), (62, 6907760), (79, 5421280), (80, 5353514), (124, 3453880), (155, 2763104), (158, 2710640), (160, 2676757), (248, 1726940), (310, 1381552), (316, 1355320), (395, 1084256), (496, 863470), (620, 690776), (632, 677660), (790, 542128), (992, 431735), (1093, 391840), (1240, 345388), (1264, 338830), (1580, 271064), (2186, 195920), (2449, 174880), (2480, 172694), (2528, 169415), (3160, 135532), (4372, 97960), (4898, 87440), (4960, 86347), (5465, 78368), (6320, 67766), (8744, 48980), (9796, 43720), (10930, 39184), (12245, 34976), (12640, 33883), (17488, 24490), (19592, 21860)]