72390420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 238584528

約数和(自身を除く): 166194108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 153, 164, 170, 180, 204, 205, 246, 255, 306, 340, 369, 410, 492, 510, 577, 612, 615, 697, 738, 765, 820, 1020, 1154, 1230, 1394, 1476, 1530, 1731, 1845, 2091, 2308, 2460, 2788, 2885, 3060, 3462, 3485, 3690, 4182, 5193, 5770, 6273, 6924, 6970, 7380, 8364, 8655, 9809, 10386, 10455, 11540, 12546, 13940, 17310, 19618, 20772, 20910, 23657, 25092, 25965, 29427, 31365, 34620, 39236, 41820, 47314, 49045, 51930, 58854, 62730, 70971, 88281, 94628, 98090, 103860, 117708, 118285, 125460, 141942, 147135, 176562, 196180, 212913, 236570, 283884, 294270, 353124, 354855, 402169, 425826, 441405, 473140, 588540, 709710, 804338, 851652, 882810, 1064565, 1206507, 1419420, 1608676, 1765620, 2010845, 2129130, 2413014, 3619521, 4021690, 4258260, 4826028, 6032535, 7239042, 8043380, 12065070, 14478084, 18097605, 24130140, 36195210, 72390420]

約数ペア:

[(1, 72390420), (2, 36195210), (3, 24130140), (4, 18097605), (5, 14478084), (6, 12065070), (9, 8043380), (10, 7239042), (12, 6032535), (15, 4826028), (17, 4258260), (18, 4021690), (20, 3619521), (30, 2413014), (34, 2129130), (36, 2010845), (41, 1765620), (45, 1608676), (51, 1419420), (60, 1206507), (68, 1064565), (82, 882810), (85, 851652), (90, 804338), (102, 709710), (123, 588540), (153, 473140), (164, 441405), (170, 425826), (180, 402169), (204, 354855), (205, 353124), (246, 294270), (255, 283884), (306, 236570), (340, 212913), (369, 196180), (410, 176562), (492, 147135), (510, 141942), (577, 125460), (612, 118285), (615, 117708), (697, 103860), (738, 98090), (765, 94628), (820, 88281), (1020, 70971), (1154, 62730), (1230, 58854), (1394, 51930), (1476, 49045), (1530, 47314), (1731, 41820), (1845, 39236), (2091, 34620), (2308, 31365), (2460, 29427), (2788, 25965), (2885, 25092), (3060, 23657), (3462, 20910), (3485, 20772), (3690, 19618), (4182, 17310), (5193, 13940), (5770, 12546), (6273, 11540), (6924, 10455), (6970, 10386), (7380, 9809), (8364, 8655)]