15745420040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:520

約数の個数: 256

約数和(自身を含む): 43390080000

約数和(自身を除く): 27644659960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 92, 115, 122, 140, 149, 161, 184, 230, 244, 269, 280, 298, 305, 322, 427, 460, 488, 538, 596, 610, 644, 745, 805, 854, 920, 1043, 1076, 1192, 1220, 1288, 1345, 1403, 1490, 1610, 1708, 1883, 2086, 2135, 2152, 2440, 2690, 2806, 2980, 3220, 3416, 3427, 3766, 4172, 4270, 5215, 5380, 5612, 5960, 6187, 6440, 6854, 7015, 7532, 8344, 8540, 9089, 9415, 9821, 10430, 10760, 11224, 12374, 13708, 14030, 15064, 16409, 17080, 17135, 18178, 18830, 19642, 20860, 23989, 24748, 27416, 28060, 30935, 32818, 34270, 36356, 37660, 39284, 40081, 41720, 43309, 45445, 47978, 49105, 49496, 56120, 61870, 63623, 65636, 68540, 72712, 75320, 78568, 80162, 82045, 86618, 90890, 95956, 98210, 114863, 119945, 123740, 127246, 131272, 137080, 160324, 164090, 173236, 181780, 191912, 196420, 200405, 209047, 216545, 229726, 239890, 247480, 254492, 280567, 318115, 320648, 328180, 346472, 363560, 377407, 392840, 400810, 418094, 433090, 459452, 479780, 508984, 561134, 574315, 636230, 656360, 754814, 801620, 836188, 866180, 918904, 921863, 959560, 1045235, 1122268, 1148630, 1272460, 1402835, 1463329, 1509628, 1603240, 1672376, 1732360, 1843726, 1887035, 2090470, 2244536, 2297260, 2444941, 2544920, 2641849, 2805670, 2926658, 3019256, 3687452, 3774070, 4180940, 4594520, 4609315, 4889882, 5283698, 5611340, 5853316, 6453041, 7316645, 7374904, 7548140, 8361880, 9218630, 9779764, 10567396, 11222680, 11706632, 12224705, 12906082, 13209245, 14633290, 15096280, 17114587, 18437260, 19559528, 21134792, 24449410, 25812164, 26418490, 29266580, 32265205, 34229174, 36874520, 48898820, 51624328, 52836980, 56233643, 58533160, 64530410, 68458348, 85572935, 97797640, 105673960, 112467286, 129060820, 136916696, 171145870, 224934572, 258121640, 281168215, 342291740, 393635501, 449869144, 562336430, 684583480, 787271002, 1124672860, 1574542004, 1968177505, 2249345720, 3149084008, 3936355010, 7872710020, 15745420040]

約数ペア:

[(1, 15745420040), (2, 7872710020), (4, 3936355010), (5, 3149084008), (7, 2249345720), (8, 1968177505), (10, 1574542004), (14, 1124672860), (20, 787271002), (23, 684583480), (28, 562336430), (35, 449869144), (40, 393635501), (46, 342291740), (56, 281168215), (61, 258121640), (70, 224934572), (92, 171145870), (115, 136916696), (122, 129060820), (140, 112467286), (149, 105673960), (161, 97797640), (184, 85572935), (230, 68458348), (244, 64530410), (269, 58533160), (280, 56233643), (298, 52836980), (305, 51624328), (322, 48898820), (427, 36874520), (460, 34229174), (488, 32265205), (538, 29266580), (596, 26418490), (610, 25812164), (644, 24449410), (745, 21134792), (805, 19559528), (854, 18437260), (920, 17114587), (1043, 15096280), (1076, 14633290), (1192, 13209245), (1220, 12906082), (1288, 12224705), (1345, 11706632), (1403, 11222680), (1490, 10567396), (1610, 9779764), (1708, 9218630), (1883, 8361880), (2086, 7548140), (2135, 7374904), (2152, 7316645), (2440, 6453041), (2690, 5853316), (2806, 5611340), (2980, 5283698), (3220, 4889882), (3416, 4609315), (3427, 4594520), (3766, 4180940), (4172, 3774070), (4270, 3687452), (5215, 3019256), (5380, 2926658), (5612, 2805670), (5960, 2641849), (6187, 2544920), (6440, 2444941), (6854, 2297260), (7015, 2244536), (7532, 2090470), (8344, 1887035), (8540, 1843726), (9089, 1732360), (9415, 1672376), (9821, 1603240), (10430, 1509628), (10760, 1463329), (11224, 1402835), (12374, 1272460), (13708, 1148630), (14030, 1122268), (15064, 1045235), (16409, 959560), (17080, 921863), (17135, 918904), (18178, 866180), (18830, 836188), (19642, 801620), (20860, 754814), (23989, 656360), (24748, 636230), (27416, 574315), (28060, 561134), (30935, 508984), (32818, 479780), (34270, 459452), (36356, 433090), (37660, 418094), (39284, 400810), (40081, 392840), (41720, 377407), (43309, 363560), (45445, 346472), (47978, 328180), (49105, 320648), (49496, 318115), (56120, 280567), (61870, 254492), (63623, 247480), (65636, 239890), (68540, 229726), (72712, 216545), (75320, 209047), (78568, 200405), (80162, 196420), (82045, 191912), (86618, 181780), (90890, 173236), (95956, 164090), (98210, 160324), (114863, 137080), (119945, 131272), (123740, 127246)]