287529480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 256

約数和(自身を含む): 1112486400

約数和(自身を除く): 824956920

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, 54, 56, 60, 63, 70, 72, 73, 84, 90, 105, 108, 120, 126, 135, 140, 146, 168, 180, 189, 210, 216, 219, 252, 270, 280, 292, 315, 360, 365, 378, 420, 438, 504, 511, 521, 540, 584, 630, 657, 730, 756, 840, 876, 945, 1022, 1042, 1080, 1095, 1260, 1314, 1460, 1512, 1533, 1563, 1752, 1890, 1971, 2044, 2084, 2190, 2520, 2555, 2605, 2628, 2920, 3066, 3126, 3285, 3647, 3780, 3942, 4088, 4168, 4380, 4599, 4689, 5110, 5210, 5256, 6132, 6252, 6570, 7294, 7560, 7665, 7815, 7884, 8760, 9198, 9378, 9855, 10220, 10420, 10941, 12264, 12504, 13140, 13797, 14067, 14588, 15330, 15630, 15768, 18235, 18396, 18756, 19710, 20440, 20840, 21882, 22995, 23445, 26280, 27594, 28134, 29176, 30660, 31260, 32823, 36470, 36792, 37512, 38033, 39420, 43764, 45990, 46890, 54705, 55188, 56268, 61320, 62520, 65646, 68985, 70335, 72940, 76066, 78840, 87528, 91980, 93780, 98469, 109410, 110376, 112536, 114099, 131292, 137970, 140670, 145880, 152132, 164115, 183960, 187560, 190165, 196938, 218820, 228198, 262584, 266231, 275940, 281340, 304264, 328230, 342297, 380330, 393876, 437640, 456396, 492345, 532462, 551880, 562680, 570495, 656460, 684594, 760660, 787752, 798693, 912792, 984690, 1026891, 1064924, 1140990, 1312920, 1331155, 1369188, 1521320, 1597386, 1711485, 1969380, 2053782, 2129848, 2281980, 2396079, 2662310, 2738376, 3194772, 3422970, 3938760, 3993465, 4107564, 4563960, 4792158, 5134455, 5324620, 6389544, 6845940, 7188237, 7986930, 8215128, 9584316, 10268910, 10649240, 11980395, 13691880, 14376474, 15973860, 19168632, 20537820, 23960790, 28752948, 31947720, 35941185, 41075640, 47921580, 57505896, 71882370, 95843160, 143764740, 287529480]

約数ペア:

[(1, 287529480), (2, 143764740), (3, 95843160), (4, 71882370), (5, 57505896), (6, 47921580), (7, 41075640), (8, 35941185), (9, 31947720), (10, 28752948), (12, 23960790), (14, 20537820), (15, 19168632), (18, 15973860), (20, 14376474), (21, 13691880), (24, 11980395), (27, 10649240), (28, 10268910), (30, 9584316), (35, 8215128), (36, 7986930), (40, 7188237), (42, 6845940), (45, 6389544), (54, 5324620), (56, 5134455), (60, 4792158), (63, 4563960), (70, 4107564), (72, 3993465), (73, 3938760), (84, 3422970), (90, 3194772), (105, 2738376), (108, 2662310), (120, 2396079), (126, 2281980), (135, 2129848), (140, 2053782), (146, 1969380), (168, 1711485), (180, 1597386), (189, 1521320), (210, 1369188), (216, 1331155), (219, 1312920), (252, 1140990), (270, 1064924), (280, 1026891), (292, 984690), (315, 912792), (360, 798693), (365, 787752), (378, 760660), (420, 684594), (438, 656460), (504, 570495), (511, 562680), (521, 551880), (540, 532462), (584, 492345), (630, 456396), (657, 437640), (730, 393876), (756, 380330), (840, 342297), (876, 328230), (945, 304264), (1022, 281340), (1042, 275940), (1080, 266231), (1095, 262584), (1260, 228198), (1314, 218820), (1460, 196938), (1512, 190165), (1533, 187560), (1563, 183960), (1752, 164115), (1890, 152132), (1971, 145880), (2044, 140670), (2084, 137970), (2190, 131292), (2520, 114099), (2555, 112536), (2605, 110376), (2628, 109410), (2920, 98469), (3066, 93780), (3126, 91980), (3285, 87528), (3647, 78840), (3780, 76066), (3942, 72940), (4088, 70335), (4168, 68985), (4380, 65646), (4599, 62520), (4689, 61320), (5110, 56268), (5210, 55188), (5256, 54705), (6132, 46890), (6252, 45990), (6570, 43764), (7294, 39420), (7560, 38033), (7665, 37512), (7815, 36792), (7884, 36470), (8760, 32823), (9198, 31260), (9378, 30660), (9855, 29176), (10220, 28134), (10420, 27594), (10941, 26280), (12264, 23445), (12504, 22995), (13140, 21882), (13797, 20840), (14067, 20440), (14588, 19710), (15330, 18756), (15630, 18396), (15768, 18235)]