72903320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 199618560

約数和(自身を除く): 126715240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 227, 248, 259, 280, 296, 310, 370, 434, 454, 518, 620, 740, 868, 908, 1036, 1085, 1135, 1147, 1240, 1295, 1480, 1589, 1736, 1816, 2072, 2170, 2270, 2294, 2590, 3178, 4340, 4540, 4588, 5180, 5735, 6356, 7037, 7945, 8029, 8399, 8680, 9080, 9176, 10360, 11470, 12712, 14074, 15890, 16058, 16798, 22940, 28148, 31780, 32116, 33596, 35185, 40145, 41995, 45880, 49259, 56296, 58793, 63560, 64232, 67192, 70370, 80290, 83990, 98518, 117586, 140740, 160580, 167980, 197036, 235172, 246295, 260369, 281480, 293965, 321160, 335960, 394072, 470344, 492590, 520738, 587930, 985180, 1041476, 1175860, 1301845, 1822583, 1970360, 2082952, 2351720, 2603690, 3645166, 5207380, 7290332, 9112915, 10414760, 14580664, 18225830, 36451660, 72903320]

約数ペア:

[(1, 72903320), (2, 36451660), (4, 18225830), (5, 14580664), (7, 10414760), (8, 9112915), (10, 7290332), (14, 5207380), (20, 3645166), (28, 2603690), (31, 2351720), (35, 2082952), (37, 1970360), (40, 1822583), (56, 1301845), (62, 1175860), (70, 1041476), (74, 985180), (124, 587930), (140, 520738), (148, 492590), (155, 470344), (185, 394072), (217, 335960), (227, 321160), (248, 293965), (259, 281480), (280, 260369), (296, 246295), (310, 235172), (370, 197036), (434, 167980), (454, 160580), (518, 140740), (620, 117586), (740, 98518), (868, 83990), (908, 80290), (1036, 70370), (1085, 67192), (1135, 64232), (1147, 63560), (1240, 58793), (1295, 56296), (1480, 49259), (1589, 45880), (1736, 41995), (1816, 40145), (2072, 35185), (2170, 33596), (2270, 32116), (2294, 31780), (2590, 28148), (3178, 22940), (4340, 16798), (4540, 16058), (4588, 15890), (5180, 14074), (5735, 12712), (6356, 11470), (7037, 10360), (7945, 9176), (8029, 9080), (8399, 8680)]