420736960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 224

約数和(自身を含む): 1212567552

約数和(自身を除く): 791830592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 83, 112, 124, 140, 146, 155, 160, 166, 217, 224, 248, 280, 292, 310, 320, 332, 365, 415, 434, 448, 496, 511, 560, 581, 584, 620, 664, 730, 830, 868, 992, 1022, 1085, 1120, 1162, 1168, 1240, 1328, 1460, 1660, 1736, 1984, 2044, 2170, 2240, 2263, 2324, 2336, 2480, 2555, 2573, 2656, 2905, 2920, 3320, 3472, 4088, 4340, 4526, 4648, 4672, 4960, 5110, 5146, 5312, 5810, 5840, 6059, 6640, 6944, 8176, 8680, 9052, 9296, 9920, 10220, 10292, 11315, 11620, 11680, 12118, 12865, 13280, 13888, 15841, 16352, 17360, 18011, 18104, 18592, 20440, 20584, 22630, 23240, 23360, 24236, 25730, 26560, 30295, 31682, 32704, 34720, 36022, 36208, 37184, 40880, 41168, 42413, 45260, 46480, 48472, 51460, 60590, 63364, 69440, 72044, 72416, 79205, 81760, 82336, 84826, 90055, 90520, 92960, 96944, 102920, 121180, 126728, 144088, 144832, 158410, 163520, 164672, 169652, 180110, 181040, 185920, 187829, 193888, 205840, 212065, 242360, 253456, 288176, 316820, 339304, 360220, 362080, 375658, 387776, 411680, 424130, 484720, 506912, 576352, 633640, 678608, 720440, 724160, 751316, 823360, 848260, 939145, 969440, 1013824, 1152704, 1267280, 1314803, 1357216, 1440880, 1502632, 1696520, 1878290, 1938880, 2534560, 2629606, 2714432, 2881760, 3005264, 3393040, 3756580, 5069120, 5259212, 5763520, 6010528, 6574015, 6786080, 7513160, 10518424, 12021056, 13148030, 13572160, 15026320, 21036848, 26296060, 30052640, 42073696, 52592120, 60105280, 84147392, 105184240, 210368480, 420736960]

約数ペア:

[(1, 420736960), (2, 210368480), (4, 105184240), (5, 84147392), (7, 60105280), (8, 52592120), (10, 42073696), (14, 30052640), (16, 26296060), (20, 21036848), (28, 15026320), (31, 13572160), (32, 13148030), (35, 12021056), (40, 10518424), (56, 7513160), (62, 6786080), (64, 6574015), (70, 6010528), (73, 5763520), (80, 5259212), (83, 5069120), (112, 3756580), (124, 3393040), (140, 3005264), (146, 2881760), (155, 2714432), (160, 2629606), (166, 2534560), (217, 1938880), (224, 1878290), (248, 1696520), (280, 1502632), (292, 1440880), (310, 1357216), (320, 1314803), (332, 1267280), (365, 1152704), (415, 1013824), (434, 969440), (448, 939145), (496, 848260), (511, 823360), (560, 751316), (581, 724160), (584, 720440), (620, 678608), (664, 633640), (730, 576352), (830, 506912), (868, 484720), (992, 424130), (1022, 411680), (1085, 387776), (1120, 375658), (1162, 362080), (1168, 360220), (1240, 339304), (1328, 316820), (1460, 288176), (1660, 253456), (1736, 242360), (1984, 212065), (2044, 205840), (2170, 193888), (2240, 187829), (2263, 185920), (2324, 181040), (2336, 180110), (2480, 169652), (2555, 164672), (2573, 163520), (2656, 158410), (2905, 144832), (2920, 144088), (3320, 126728), (3472, 121180), (4088, 102920), (4340, 96944), (4526, 92960), (4648, 90520), (4672, 90055), (4960, 84826), (5110, 82336), (5146, 81760), (5312, 79205), (5810, 72416), (5840, 72044), (6059, 69440), (6640, 63364), (6944, 60590), (8176, 51460), (8680, 48472), (9052, 46480), (9296, 45260), (9920, 42413), (10220, 41168), (10292, 40880), (11315, 37184), (11620, 36208), (11680, 36022), (12118, 34720), (12865, 32704), (13280, 31682), (13888, 30295), (15841, 26560), (16352, 25730), (17360, 24236), (18011, 23360), (18104, 23240), (18592, 22630), (20440, 20584)]