278380440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3499}}^1$

素因数の和:3546

約数の個数: 192

約数和(自身を含む): 1031940000

約数和(自身を除く): 753559560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3499, 3978, 4420, 4680, 5304, 6120, 6630, 6998, 7956, 8840, 9945, 10497, 13260, 13996, 15912, 17495, 19890, 20994, 26520, 27992, 31491, 34990, 39780, 41988, 45487, 52485, 59483, 62982, 69980, 79560, 83976, 90974, 104970, 118966, 125964, 136461, 139960, 157455, 178449, 181948, 209940, 227435, 237932, 251928, 272922, 297415, 314910, 356898, 363896, 409383, 419880, 454870, 475864, 535347, 545844, 594830, 629820, 682305, 713796, 773279, 818766, 892245, 909740, 1070694, 1091688, 1189660, 1259640, 1364610, 1427592, 1546558, 1637532, 1784490, 1819480, 2046915, 2141388, 2319837, 2379320, 2676735, 2729220, 3093116, 3275064, 3568980, 3866395, 4093830, 4282776, 4639674, 5353470, 5458440, 6186232, 6959511, 7137960, 7732790, 8187660, 9279348, 10706940, 11599185, 13919022, 15465580, 16375320, 18558696, 21413880, 23198370, 27838044, 30931160, 34797555, 46396740, 55676088, 69595110, 92793480, 139190220, 278380440]

約数ペア:

[(1, 278380440), (2, 139190220), (3, 92793480), (4, 69595110), (5, 55676088), (6, 46396740), (8, 34797555), (9, 30931160), (10, 27838044), (12, 23198370), (13, 21413880), (15, 18558696), (17, 16375320), (18, 15465580), (20, 13919022), (24, 11599185), (26, 10706940), (30, 9279348), (34, 8187660), (36, 7732790), (39, 7137960), (40, 6959511), (45, 6186232), (51, 5458440), (52, 5353470), (60, 4639674), (65, 4282776), (68, 4093830), (72, 3866395), (78, 3568980), (85, 3275064), (90, 3093116), (102, 2729220), (104, 2676735), (117, 2379320), (120, 2319837), (130, 2141388), (136, 2046915), (153, 1819480), (156, 1784490), (170, 1637532), (180, 1546558), (195, 1427592), (204, 1364610), (221, 1259640), (234, 1189660), (255, 1091688), (260, 1070694), (306, 909740), (312, 892245), (340, 818766), (360, 773279), (390, 713796), (408, 682305), (442, 629820), (468, 594830), (510, 545844), (520, 535347), (585, 475864), (612, 454870), (663, 419880), (680, 409383), (765, 363896), (780, 356898), (884, 314910), (936, 297415), (1020, 272922), (1105, 251928), (1170, 237932), (1224, 227435), (1326, 209940), (1530, 181948), (1560, 178449), (1768, 157455), (1989, 139960), (2040, 136461), (2210, 125964), (2340, 118966), (2652, 104970), (3060, 90974), (3315, 83976), (3499, 79560), (3978, 69980), (4420, 62982), (4680, 59483), (5304, 52485), (6120, 45487), (6630, 41988), (6998, 39780), (7956, 34990), (8840, 31491), (9945, 27992), (10497, 26520), (13260, 20994), (13996, 19890), (15912, 17495)]