421366920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1051}}^1$

素因数の和:1335

約数の個数: 128

約数和(自身を含む): 1367936640

約数和(自身を除く): 946569720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 257, 260, 312, 390, 514, 520, 771, 780, 1028, 1051, 1285, 1542, 1560, 2056, 2102, 2570, 3084, 3153, 3341, 3855, 4204, 5140, 5255, 6168, 6306, 6682, 7710, 8408, 10023, 10280, 10510, 12612, 13364, 13663, 15420, 15765, 16705, 20046, 21020, 25224, 26728, 27326, 30840, 31530, 33410, 40092, 40989, 42040, 50115, 54652, 63060, 66820, 68315, 80184, 81978, 100230, 109304, 126120, 133640, 136630, 163956, 200460, 204945, 270107, 273260, 327912, 400920, 409890, 540214, 546520, 810321, 819780, 1080428, 1350535, 1620642, 1639560, 2160856, 2701070, 3241284, 3511391, 4051605, 5402140, 6482568, 7022782, 8103210, 10534173, 10804280, 14045564, 16206420, 17556955, 21068346, 28091128, 32412840, 35113910, 42136692, 52670865, 70227820, 84273384, 105341730, 140455640, 210683460, 421366920]

約数ペア:

[(1, 421366920), (2, 210683460), (3, 140455640), (4, 105341730), (5, 84273384), (6, 70227820), (8, 52670865), (10, 42136692), (12, 35113910), (13, 32412840), (15, 28091128), (20, 21068346), (24, 17556955), (26, 16206420), (30, 14045564), (39, 10804280), (40, 10534173), (52, 8103210), (60, 7022782), (65, 6482568), (78, 5402140), (104, 4051605), (120, 3511391), (130, 3241284), (156, 2701070), (195, 2160856), (257, 1639560), (260, 1620642), (312, 1350535), (390, 1080428), (514, 819780), (520, 810321), (771, 546520), (780, 540214), (1028, 409890), (1051, 400920), (1285, 327912), (1542, 273260), (1560, 270107), (2056, 204945), (2102, 200460), (2570, 163956), (3084, 136630), (3153, 133640), (3341, 126120), (3855, 109304), (4204, 100230), (5140, 81978), (5255, 80184), (6168, 68315), (6306, 66820), (6682, 63060), (7710, 54652), (8408, 50115), (10023, 42040), (10280, 40989), (10510, 40092), (12612, 33410), (13364, 31530), (13663, 30840), (15420, 27326), (15765, 26728), (16705, 25224), (20046, 21020)]