1561830120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:625

約数の個数: 256

約数和(自身を含む): 5550508800

約数和(自身を除く): 3988678680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 257, 270, 306, 331, 340, 360, 408, 459, 510, 514, 540, 612, 662, 680, 765, 771, 918, 993, 1020, 1028, 1080, 1224, 1285, 1324, 1530, 1542, 1655, 1836, 1986, 2040, 2056, 2295, 2313, 2570, 2648, 2979, 3060, 3084, 3310, 3672, 3855, 3972, 4369, 4590, 4626, 4965, 5140, 5627, 5958, 6120, 6168, 6620, 6939, 7710, 7944, 8738, 8937, 9180, 9252, 9930, 10280, 11254, 11565, 11916, 13107, 13240, 13878, 14895, 15420, 16881, 17476, 17874, 18360, 18504, 19860, 21845, 22508, 23130, 23832, 26214, 27756, 28135, 29790, 30840, 33762, 34695, 34952, 35748, 39321, 39720, 43690, 44685, 45016, 46260, 50643, 52428, 55512, 56270, 59580, 65535, 67524, 69390, 71496, 78642, 84405, 85067, 87380, 89370, 92520, 101286, 104856, 112540, 117963, 119160, 131070, 135048, 138780, 151929, 157284, 168810, 170134, 174760, 178740, 196605, 202572, 225080, 235926, 253215, 255201, 262140, 277560, 303858, 314568, 337620, 340268, 357480, 393210, 405144, 425335, 471852, 506430, 510402, 524280, 589815, 607716, 675240, 680536, 759645, 765603, 786420, 850670, 943704, 1012860, 1020804, 1179630, 1215432, 1276005, 1446139, 1519290, 1531206, 1572840, 1701340, 2025720, 2041608, 2296809, 2359260, 2552010, 2892278, 3038580, 3062412, 3402680, 3828015, 4338417, 4593618, 4718520, 5104020, 5784556, 6077160, 6124824, 7230695, 7656030, 8676834, 9187236, 10208040, 11484045, 11569112, 13015251, 14461390, 15312060, 17353668, 18374472, 21692085, 22968090, 26030502, 28922780, 30624120, 34707336, 39045753, 43384170, 45936180, 52061004, 57845560, 65076255, 78091506, 86768340, 91872360, 104122008, 130152510, 156183012, 173536680, 195228765, 260305020, 312366024, 390457530, 520610040, 780915060, 1561830120]

約数ペア:

[(1, 1561830120), (2, 780915060), (3, 520610040), (4, 390457530), (5, 312366024), (6, 260305020), (8, 195228765), (9, 173536680), (10, 156183012), (12, 130152510), (15, 104122008), (17, 91872360), (18, 86768340), (20, 78091506), (24, 65076255), (27, 57845560), (30, 52061004), (34, 45936180), (36, 43384170), (40, 39045753), (45, 34707336), (51, 30624120), (54, 28922780), (60, 26030502), (68, 22968090), (72, 21692085), (85, 18374472), (90, 17353668), (102, 15312060), (108, 14461390), (120, 13015251), (135, 11569112), (136, 11484045), (153, 10208040), (170, 9187236), (180, 8676834), (204, 7656030), (216, 7230695), (255, 6124824), (257, 6077160), (270, 5784556), (306, 5104020), (331, 4718520), (340, 4593618), (360, 4338417), (408, 3828015), (459, 3402680), (510, 3062412), (514, 3038580), (540, 2892278), (612, 2552010), (662, 2359260), (680, 2296809), (765, 2041608), (771, 2025720), (918, 1701340), (993, 1572840), (1020, 1531206), (1028, 1519290), (1080, 1446139), (1224, 1276005), (1285, 1215432), (1324, 1179630), (1530, 1020804), (1542, 1012860), (1655, 943704), (1836, 850670), (1986, 786420), (2040, 765603), (2056, 759645), (2295, 680536), (2313, 675240), (2570, 607716), (2648, 589815), (2979, 524280), (3060, 510402), (3084, 506430), (3310, 471852), (3672, 425335), (3855, 405144), (3972, 393210), (4369, 357480), (4590, 340268), (4626, 337620), (4965, 314568), (5140, 303858), (5627, 277560), (5958, 262140), (6120, 255201), (6168, 253215), (6620, 235926), (6939, 225080), (7710, 202572), (7944, 196605), (8738, 178740), (8937, 174760), (9180, 170134), (9252, 168810), (9930, 157284), (10280, 151929), (11254, 138780), (11565, 135048), (11916, 131070), (13107, 119160), (13240, 117963), (13878, 112540), (14895, 104856), (15420, 101286), (16881, 92520), (17476, 89370), (17874, 87380), (18360, 85067), (18504, 84405), (19860, 78642), (21845, 71496), (22508, 69390), (23130, 67524), (23832, 65535), (26214, 59580), (27756, 56270), (28135, 55512), (29790, 52428), (30840, 50643), (33762, 46260), (34695, 45016), (34952, 44685), (35748, 43690), (39321, 39720)]