28762980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 86292864

約数和(自身を除く): 57529884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 163, 170, 173, 204, 255, 326, 340, 346, 489, 510, 519, 652, 692, 815, 865, 978, 1020, 1038, 1630, 1730, 1956, 2076, 2445, 2595, 2771, 2941, 3260, 3460, 4890, 5190, 5542, 5882, 8313, 8823, 9780, 10380, 11084, 11764, 13855, 14705, 16626, 17646, 27710, 28199, 29410, 33252, 35292, 41565, 44115, 55420, 56398, 58820, 83130, 84597, 88230, 112796, 140995, 166260, 169194, 176460, 281990, 338388, 422985, 479383, 563980, 845970, 958766, 1438149, 1691940, 1917532, 2396915, 2876298, 4793830, 5752596, 7190745, 9587660, 14381490, 28762980]

約数ペア:

[(1, 28762980), (2, 14381490), (3, 9587660), (4, 7190745), (5, 5752596), (6, 4793830), (10, 2876298), (12, 2396915), (15, 1917532), (17, 1691940), (20, 1438149), (30, 958766), (34, 845970), (51, 563980), (60, 479383), (68, 422985), (85, 338388), (102, 281990), (163, 176460), (170, 169194), (173, 166260), (204, 140995), (255, 112796), (326, 88230), (340, 84597), (346, 83130), (489, 58820), (510, 56398), (519, 55420), (652, 44115), (692, 41565), (815, 35292), (865, 33252), (978, 29410), (1020, 28199), (1038, 27710), (1630, 17646), (1730, 16626), (1956, 14705), (2076, 13855), (2445, 11764), (2595, 11084), (2771, 10380), (2941, 9780), (3260, 8823), (3460, 8313), (4890, 5882), (5190, 5542)]