228455640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{1439}}^1$

素因数の和:1476

約数の個数: 240

約数和(自身を含む): 893851200

約数和(自身を除く): 665395560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1439, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2878, 2940, 3240, 3528, 3780, 3969, 4317, 4410, 4536, 5292, 5670, 5756, 5880, 6615, 7195, 7560, 7938, 8634, 8820, 10073, 10584, 11340, 11512, 12951, 13230, 14390, 15876, 17268, 17640, 19845, 20146, 21585, 22680, 25902, 26460, 28780, 30219, 31752, 34536, 38853, 39690, 40292, 43170, 50365, 51804, 52920, 57560, 60438, 64755, 70511, 77706, 79380, 80584, 86340, 90657, 100730, 103608, 116559, 120876, 129510, 141022, 151095, 155412, 158760, 172680, 181314, 194265, 201460, 211533, 233118, 241752, 259020, 271971, 282044, 302190, 310824, 352555, 362628, 388530, 402920, 423066, 453285, 466236, 518040, 543942, 564088, 582795, 604380, 634599, 705110, 725256, 777060, 815913, 846132, 906570, 932472, 1057665, 1087884, 1165590, 1208760, 1269198, 1359855, 1410220, 1554120, 1631826, 1692264, 1813140, 1903797, 2115330, 2175768, 2331180, 2538396, 2719710, 2820440, 3172995, 3263652, 3626280, 3807594, 4079565, 4230660, 4662360, 5076792, 5439420, 5711391, 6345990, 6527304, 7615188, 8159130, 8461320, 9518985, 10878840, 11422782, 12691980, 15230376, 16318260, 19037970, 22845564, 25383960, 28556955, 32636520, 38075940, 45691128, 57113910, 76151880, 114227820, 228455640]

約数ペア:

[(1, 228455640), (2, 114227820), (3, 76151880), (4, 57113910), (5, 45691128), (6, 38075940), (7, 32636520), (8, 28556955), (9, 25383960), (10, 22845564), (12, 19037970), (14, 16318260), (15, 15230376), (18, 12691980), (20, 11422782), (21, 10878840), (24, 9518985), (27, 8461320), (28, 8159130), (30, 7615188), (35, 6527304), (36, 6345990), (40, 5711391), (42, 5439420), (45, 5076792), (49, 4662360), (54, 4230660), (56, 4079565), (60, 3807594), (63, 3626280), (70, 3263652), (72, 3172995), (81, 2820440), (84, 2719710), (90, 2538396), (98, 2331180), (105, 2175768), (108, 2115330), (120, 1903797), (126, 1813140), (135, 1692264), (140, 1631826), (147, 1554120), (162, 1410220), (168, 1359855), (180, 1269198), (189, 1208760), (196, 1165590), (210, 1087884), (216, 1057665), (245, 932472), (252, 906570), (270, 846132), (280, 815913), (294, 777060), (315, 725256), (324, 705110), (360, 634599), (378, 604380), (392, 582795), (405, 564088), (420, 543942), (441, 518040), (490, 466236), (504, 453285), (540, 423066), (567, 402920), (588, 388530), (630, 362628), (648, 352555), (735, 310824), (756, 302190), (810, 282044), (840, 271971), (882, 259020), (945, 241752), (980, 233118), (1080, 211533), (1134, 201460), (1176, 194265), (1260, 181314), (1323, 172680), (1439, 158760), (1470, 155412), (1512, 151095), (1620, 141022), (1764, 129510), (1890, 120876), (1960, 116559), (2205, 103608), (2268, 100730), (2520, 90657), (2646, 86340), (2835, 80584), (2878, 79380), (2940, 77706), (3240, 70511), (3528, 64755), (3780, 60438), (3969, 57560), (4317, 52920), (4410, 51804), (4536, 50365), (5292, 43170), (5670, 40292), (5756, 39690), (5880, 38853), (6615, 34536), (7195, 31752), (7560, 30219), (7938, 28780), (8634, 26460), (8820, 25902), (10073, 22680), (10584, 21585), (11340, 20146), (11512, 19845), (12951, 17640), (13230, 17268), (14390, 15876)]