19603727920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:868

約数の個数: 240

約数和(自身を含む): 55005550848

約数和(自身を除く): 35401822928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 353, 392, 434, 457, 490, 496, 560, 620, 706, 784, 868, 914, 980, 1085, 1240, 1412, 1519, 1736, 1765, 1828, 1960, 2170, 2285, 2471, 2480, 2824, 3038, 3199, 3472, 3530, 3656, 3920, 4340, 4570, 4942, 5648, 6076, 6398, 7060, 7312, 7595, 8680, 9140, 9884, 10943, 12152, 12355, 12796, 14120, 14167, 15190, 15995, 17297, 17360, 18280, 19768, 21886, 22393, 24304, 24710, 25592, 28240, 28334, 30380, 31990, 34594, 36560, 39536, 43772, 44786, 49420, 51184, 54715, 56668, 60760, 63980, 69188, 70835, 76601, 86485, 87544, 89572, 98840, 99169, 109430, 111965, 113336, 121520, 127960, 138376, 141670, 153202, 161321, 172970, 175088, 179144, 197680, 198338, 218860, 223930, 226672, 255920, 276752, 283340, 306404, 322642, 345940, 358288, 383005, 396676, 437720, 447860, 495845, 536207, 566680, 612808, 645284, 691880, 694183, 766010, 793352, 806605, 875440, 895720, 991690, 1072414, 1129247, 1133360, 1225616, 1290568, 1383760, 1388366, 1532020, 1586704, 1613210, 1791440, 1983380, 2144828, 2258494, 2581136, 2681035, 2776732, 3064040, 3226420, 3470915, 3966760, 4289656, 4516988, 5000951, 5362070, 5553464, 5646235, 6128080, 6452840, 6941830, 7904729, 7933520, 8579312, 9033976, 10001902, 10724140, 11106928, 11292470, 12905680, 13883660, 15809458, 18067952, 20003804, 21448280, 22584940, 25004755, 27767320, 31618916, 35006657, 39523645, 40007608, 42896560, 45169880, 50009510, 55534640, 63237832, 70013314, 79047290, 80015216, 90339760, 100019020, 126475664, 140026628, 158094580, 175033285, 200038040, 245046599, 280053256, 316189160, 350066570, 400076080, 490093198, 560106512, 632378320, 700133140, 980186396, 1225232995, 1400266280, 1960372792, 2450465990, 2800532560, 3920745584, 4900931980, 9801863960, 19603727920]

約数ペア:

[(1, 19603727920), (2, 9801863960), (4, 4900931980), (5, 3920745584), (7, 2800532560), (8, 2450465990), (10, 1960372792), (14, 1400266280), (16, 1225232995), (20, 980186396), (28, 700133140), (31, 632378320), (35, 560106512), (40, 490093198), (49, 400076080), (56, 350066570), (62, 316189160), (70, 280053256), (80, 245046599), (98, 200038040), (112, 175033285), (124, 158094580), (140, 140026628), (155, 126475664), (196, 100019020), (217, 90339760), (245, 80015216), (248, 79047290), (280, 70013314), (310, 63237832), (353, 55534640), (392, 50009510), (434, 45169880), (457, 42896560), (490, 40007608), (496, 39523645), (560, 35006657), (620, 31618916), (706, 27767320), (784, 25004755), (868, 22584940), (914, 21448280), (980, 20003804), (1085, 18067952), (1240, 15809458), (1412, 13883660), (1519, 12905680), (1736, 11292470), (1765, 11106928), (1828, 10724140), (1960, 10001902), (2170, 9033976), (2285, 8579312), (2471, 7933520), (2480, 7904729), (2824, 6941830), (3038, 6452840), (3199, 6128080), (3472, 5646235), (3530, 5553464), (3656, 5362070), (3920, 5000951), (4340, 4516988), (4570, 4289656), (4942, 3966760), (5648, 3470915), (6076, 3226420), (6398, 3064040), (7060, 2776732), (7312, 2681035), (7595, 2581136), (8680, 2258494), (9140, 2144828), (9884, 1983380), (10943, 1791440), (12152, 1613210), (12355, 1586704), (12796, 1532020), (14120, 1388366), (14167, 1383760), (15190, 1290568), (15995, 1225616), (17297, 1133360), (17360, 1129247), (18280, 1072414), (19768, 991690), (21886, 895720), (22393, 875440), (24304, 806605), (24710, 793352), (25592, 766010), (28240, 694183), (28334, 691880), (30380, 645284), (31990, 612808), (34594, 566680), (36560, 536207), (39536, 495845), (43772, 447860), (44786, 437720), (49420, 396676), (51184, 383005), (54715, 358288), (56668, 345940), (60760, 322642), (63980, 306404), (69188, 283340), (70835, 276752), (76601, 255920), (86485, 226672), (87544, 223930), (89572, 218860), (98840, 198338), (99169, 197680), (109430, 179144), (111965, 175088), (113336, 172970), (121520, 161321), (127960, 153202), (138376, 141670)]