20013476400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{1249}}^1\times {\mathrm{4451}}^1$

素因数の和:5724

約数の個数: 180

約数和(自身を含む): 69523545000

約数和(自身を除く): 49510068600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1249, 1800, 2498, 3600, 3747, 4451, 4996, 6245, 7494, 8902, 9992, 11241, 12490, 13353, 14988, 17804, 18735, 19984, 22255, 22482, 24980, 26706, 29976, 31225, 35608, 37470, 40059, 44510, 44964, 49960, 53412, 56205, 59952, 62450, 66765, 71216, 74940, 80118, 89020, 89928, 93675, 99920, 106824, 111275, 112410, 124900, 133530, 149880, 160236, 178040, 179856, 187350, 200295, 213648, 222550, 224820, 249800, 267060, 281025, 299760, 320472, 333825, 356080, 374700, 400590, 445100, 449640, 499600, 534120, 562050, 640944, 667650, 749400, 801180, 890200, 899280, 1001475, 1068240, 1124100, 1335300, 1498800, 1602360, 1780400, 2002950, 2248200, 2670600, 3204720, 4005900, 4496400, 5341200, 5559299, 8011800, 11118598, 16023600, 16677897, 22237196, 27796495, 33355794, 44474392, 50033691, 55592990, 66711588, 83389485, 88948784, 100067382, 111185980, 133423176, 138982475, 166778970, 200134764, 222371960, 250168455, 266846352, 277964950, 333557940, 400269528, 416947425, 444743920, 500336910, 555929900, 667115880, 800539056, 833894850, 1000673820, 1111859800, 1250842275, 1334231760, 1667789700, 2001347640, 2223719600, 2501684550, 3335579400, 4002695280, 5003369100, 6671158800, 10006738200, 20013476400]

約数ペア:

[(1, 20013476400), (2, 10006738200), (3, 6671158800), (4, 5003369100), (5, 4002695280), (6, 3335579400), (8, 2501684550), (9, 2223719600), (10, 2001347640), (12, 1667789700), (15, 1334231760), (16, 1250842275), (18, 1111859800), (20, 1000673820), (24, 833894850), (25, 800539056), (30, 667115880), (36, 555929900), (40, 500336910), (45, 444743920), (48, 416947425), (50, 400269528), (60, 333557940), (72, 277964950), (75, 266846352), (80, 250168455), (90, 222371960), (100, 200134764), (120, 166778970), (144, 138982475), (150, 133423176), (180, 111185980), (200, 100067382), (225, 88948784), (240, 83389485), (300, 66711588), (360, 55592990), (400, 50033691), (450, 44474392), (600, 33355794), (720, 27796495), (900, 22237196), (1200, 16677897), (1249, 16023600), (1800, 11118598), (2498, 8011800), (3600, 5559299), (3747, 5341200), (4451, 4496400), (4996, 4005900), (6245, 3204720), (7494, 2670600), (8902, 2248200), (9992, 2002950), (11241, 1780400), (12490, 1602360), (13353, 1498800), (14988, 1335300), (17804, 1124100), (18735, 1068240), (19984, 1001475), (22255, 899280), (22482, 890200), (24980, 801180), (26706, 749400), (29976, 667650), (31225, 640944), (35608, 562050), (37470, 534120), (40059, 499600), (44510, 449640), (44964, 445100), (49960, 400590), (53412, 374700), (56205, 356080), (59952, 333825), (62450, 320472), (66765, 299760), (71216, 281025), (74940, 267060), (80118, 249800), (89020, 224820), (89928, 222550), (93675, 213648), (99920, 200295), (106824, 187350), (111275, 179856), (112410, 178040), (124900, 160236), (133530, 149880)]