212749740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 240

約数和(自身を含む): 776204352

約数和(自身を除く): 563454612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 73, 81, 84, 90, 105, 108, 126, 135, 140, 146, 162, 180, 189, 210, 219, 252, 257, 270, 292, 315, 324, 365, 378, 405, 420, 438, 511, 514, 540, 567, 630, 657, 730, 756, 771, 810, 876, 945, 1022, 1028, 1095, 1134, 1260, 1285, 1314, 1460, 1533, 1542, 1620, 1799, 1890, 1971, 2044, 2190, 2268, 2313, 2555, 2570, 2628, 2835, 3066, 3084, 3285, 3598, 3780, 3855, 3942, 4380, 4599, 4626, 5110, 5140, 5397, 5670, 5913, 6132, 6570, 6939, 7196, 7665, 7710, 7884, 8995, 9198, 9252, 9855, 10220, 10794, 11340, 11565, 11826, 13140, 13797, 13878, 15330, 15420, 16191, 17990, 18396, 18761, 19710, 20817, 21588, 22995, 23130, 23652, 26985, 27594, 27756, 29565, 30660, 32382, 34695, 35980, 37522, 39420, 41391, 41634, 45990, 46260, 48573, 53970, 55188, 56283, 59130, 64764, 68985, 69390, 75044, 80955, 82782, 83268, 91980, 93805, 97146, 104085, 107940, 112566, 118260, 131327, 137970, 138780, 145719, 161910, 165564, 168849, 187610, 194292, 206955, 208170, 225132, 242865, 262654, 275940, 281415, 291438, 323820, 337698, 375220, 393981, 413910, 416340, 485730, 506547, 525308, 562830, 582876, 656635, 675396, 728595, 787962, 827820, 844245, 971460, 1013094, 1125660, 1181943, 1313270, 1457190, 1519641, 1575924, 1688490, 1969905, 2026188, 2363886, 2532735, 2626540, 2914380, 3039282, 3376980, 3545829, 3939810, 4727772, 5065470, 5909715, 6078564, 7091658, 7598205, 7879620, 10130940, 10637487, 11819430, 14183316, 15196410, 17729145, 21274974, 23638860, 30392820, 35458290, 42549948, 53187435, 70916580, 106374870, 212749740]

約数ペア:

[(1, 212749740), (2, 106374870), (3, 70916580), (4, 53187435), (5, 42549948), (6, 35458290), (7, 30392820), (9, 23638860), (10, 21274974), (12, 17729145), (14, 15196410), (15, 14183316), (18, 11819430), (20, 10637487), (21, 10130940), (27, 7879620), (28, 7598205), (30, 7091658), (35, 6078564), (36, 5909715), (42, 5065470), (45, 4727772), (54, 3939810), (60, 3545829), (63, 3376980), (70, 3039282), (73, 2914380), (81, 2626540), (84, 2532735), (90, 2363886), (105, 2026188), (108, 1969905), (126, 1688490), (135, 1575924), (140, 1519641), (146, 1457190), (162, 1313270), (180, 1181943), (189, 1125660), (210, 1013094), (219, 971460), (252, 844245), (257, 827820), (270, 787962), (292, 728595), (315, 675396), (324, 656635), (365, 582876), (378, 562830), (405, 525308), (420, 506547), (438, 485730), (511, 416340), (514, 413910), (540, 393981), (567, 375220), (630, 337698), (657, 323820), (730, 291438), (756, 281415), (771, 275940), (810, 262654), (876, 242865), (945, 225132), (1022, 208170), (1028, 206955), (1095, 194292), (1134, 187610), (1260, 168849), (1285, 165564), (1314, 161910), (1460, 145719), (1533, 138780), (1542, 137970), (1620, 131327), (1799, 118260), (1890, 112566), (1971, 107940), (2044, 104085), (2190, 97146), (2268, 93805), (2313, 91980), (2555, 83268), (2570, 82782), (2628, 80955), (2835, 75044), (3066, 69390), (3084, 68985), (3285, 64764), (3598, 59130), (3780, 56283), (3855, 55188), (3942, 53970), (4380, 48573), (4599, 46260), (4626, 45990), (5110, 41634), (5140, 41391), (5397, 39420), (5670, 37522), (5913, 35980), (6132, 34695), (6570, 32382), (6939, 30660), (7196, 29565), (7665, 27756), (7710, 27594), (7884, 26985), (8995, 23652), (9198, 23130), (9252, 22995), (9855, 21588), (10220, 20817), (10794, 19710), (11340, 18761), (11565, 18396), (11826, 17990), (13140, 16191), (13797, 15420), (13878, 15330)]