253292220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 789778080

約数和(自身を除く): 536485860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 97, 163, 178, 180, 194, 267, 291, 326, 356, 388, 445, 485, 489, 534, 582, 652, 801, 815, 873, 890, 970, 978, 1068, 1164, 1335, 1455, 1467, 1602, 1630, 1746, 1780, 1940, 1956, 2445, 2670, 2910, 2934, 3204, 3260, 3492, 4005, 4365, 4890, 5340, 5820, 5868, 7335, 8010, 8633, 8730, 9780, 14507, 14670, 15811, 16020, 17266, 17460, 25899, 29014, 29340, 31622, 34532, 43165, 43521, 47433, 51798, 58028, 63244, 72535, 77697, 79055, 86330, 87042, 94866, 103596, 129495, 130563, 142299, 145070, 155394, 158110, 172660, 174084, 189732, 217605, 237165, 258990, 261126, 284598, 290140, 310788, 316220, 388485, 435210, 474330, 517980, 522252, 569196, 652815, 711495, 776970, 870420, 948660, 1305630, 1407179, 1422990, 1553940, 2611260, 2814358, 2845980, 4221537, 5628716, 7035895, 8443074, 12664611, 14071790, 16886148, 21107685, 25329222, 28143580, 42215370, 50658444, 63323055, 84430740, 126646110, 253292220]

約数ペア:

[(1, 253292220), (2, 126646110), (3, 84430740), (4, 63323055), (5, 50658444), (6, 42215370), (9, 28143580), (10, 25329222), (12, 21107685), (15, 16886148), (18, 14071790), (20, 12664611), (30, 8443074), (36, 7035895), (45, 5628716), (60, 4221537), (89, 2845980), (90, 2814358), (97, 2611260), (163, 1553940), (178, 1422990), (180, 1407179), (194, 1305630), (267, 948660), (291, 870420), (326, 776970), (356, 711495), (388, 652815), (445, 569196), (485, 522252), (489, 517980), (534, 474330), (582, 435210), (652, 388485), (801, 316220), (815, 310788), (873, 290140), (890, 284598), (970, 261126), (978, 258990), (1068, 237165), (1164, 217605), (1335, 189732), (1455, 174084), (1467, 172660), (1602, 158110), (1630, 155394), (1746, 145070), (1780, 142299), (1940, 130563), (1956, 129495), (2445, 103596), (2670, 94866), (2910, 87042), (2934, 86330), (3204, 79055), (3260, 77697), (3492, 72535), (4005, 63244), (4365, 58028), (4890, 51798), (5340, 47433), (5820, 43521), (5868, 43165), (7335, 34532), (8010, 31622), (8633, 29340), (8730, 29014), (9780, 25899), (14507, 17460), (14670, 17266), (15811, 16020)]