89281620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 290122560

約数和(自身を除く): 200840940

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, 153, 163, 170, 179, 180, 204, 255, 306, 326, 340, 358, 489, 510, 537, 612, 652, 716, 765, 815, 895, 978, 1020, 1074, 1467, 1530, 1611, 1630, 1790, 1956, 2148, 2445, 2685, 2771, 2934, 3043, 3060, 3222, 3260, 3580, 4890, 5370, 5542, 5868, 6086, 6444, 7335, 8055, 8313, 9129, 9780, 10740, 11084, 12172, 13855, 14670, 15215, 16110, 16626, 18258, 24939, 27387, 27710, 29177, 29340, 30430, 32220, 33252, 36516, 41565, 45645, 49878, 54774, 55420, 58354, 60860, 83130, 87531, 91290, 99756, 109548, 116708, 124695, 136935, 145885, 166260, 175062, 182580, 249390, 262593, 273870, 291770, 350124, 437655, 496009, 498780, 525186, 547740, 583540, 875310, 992018, 1050372, 1312965, 1488027, 1750620, 1984036, 2480045, 2625930, 2976054, 4464081, 4960090, 5251860, 5952108, 7440135, 8928162, 9920180, 14880270, 17856324, 22320405, 29760540, 44640810, 89281620]

約数ペア:

[(1, 89281620), (2, 44640810), (3, 29760540), (4, 22320405), (5, 17856324), (6, 14880270), (9, 9920180), (10, 8928162), (12, 7440135), (15, 5952108), (17, 5251860), (18, 4960090), (20, 4464081), (30, 2976054), (34, 2625930), (36, 2480045), (45, 1984036), (51, 1750620), (60, 1488027), (68, 1312965), (85, 1050372), (90, 992018), (102, 875310), (153, 583540), (163, 547740), (170, 525186), (179, 498780), (180, 496009), (204, 437655), (255, 350124), (306, 291770), (326, 273870), (340, 262593), (358, 249390), (489, 182580), (510, 175062), (537, 166260), (612, 145885), (652, 136935), (716, 124695), (765, 116708), (815, 109548), (895, 99756), (978, 91290), (1020, 87531), (1074, 83130), (1467, 60860), (1530, 58354), (1611, 55420), (1630, 54774), (1790, 49878), (1956, 45645), (2148, 41565), (2445, 36516), (2685, 33252), (2771, 32220), (2934, 30430), (3043, 29340), (3060, 29177), (3222, 27710), (3260, 27387), (3580, 24939), (4890, 18258), (5370, 16626), (5542, 16110), (5868, 15215), (6086, 14670), (6444, 13855), (7335, 12172), (8055, 11084), (8313, 10740), (9129, 9780)]