2945012920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:893

約数の個数: 128

約数和(自身を含む): 7314624000

約数和(自身を除く): 4369611080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 331, 380, 437, 460, 509, 662, 760, 874, 920, 1018, 1324, 1655, 1748, 2036, 2185, 2545, 2648, 3310, 3496, 4072, 4370, 5090, 6289, 6620, 7613, 8740, 9671, 10180, 11707, 12578, 13240, 15226, 17480, 19342, 20360, 23414, 25156, 30452, 31445, 38065, 38684, 46828, 48355, 50312, 58535, 60904, 62890, 76130, 77368, 93656, 96710, 117070, 125780, 144647, 152260, 168479, 193420, 222433, 234140, 251560, 289294, 304520, 336958, 386840, 444866, 468280, 578588, 673916, 723235, 842395, 889732, 1112165, 1157176, 1347832, 1446470, 1684790, 1779464, 2224330, 2892940, 3201101, 3369580, 3875017, 4448660, 5785880, 6402202, 6739160, 7750034, 8897320, 12804404, 15500068, 16005505, 19375085, 25608808, 31000136, 32011010, 38750170, 64022020, 73625323, 77500340, 128044040, 147250646, 155000680, 294501292, 368126615, 589002584, 736253230, 1472506460, 2945012920]

約数ペア:

[(1, 2945012920), (2, 1472506460), (4, 736253230), (5, 589002584), (8, 368126615), (10, 294501292), (19, 155000680), (20, 147250646), (23, 128044040), (38, 77500340), (40, 73625323), (46, 64022020), (76, 38750170), (92, 32011010), (95, 31000136), (115, 25608808), (152, 19375085), (184, 16005505), (190, 15500068), (230, 12804404), (331, 8897320), (380, 7750034), (437, 6739160), (460, 6402202), (509, 5785880), (662, 4448660), (760, 3875017), (874, 3369580), (920, 3201101), (1018, 2892940), (1324, 2224330), (1655, 1779464), (1748, 1684790), (2036, 1446470), (2185, 1347832), (2545, 1157176), (2648, 1112165), (3310, 889732), (3496, 842395), (4072, 723235), (4370, 673916), (5090, 578588), (6289, 468280), (6620, 444866), (7613, 386840), (8740, 336958), (9671, 304520), (10180, 289294), (11707, 251560), (12578, 234140), (13240, 222433), (15226, 193420), (17480, 168479), (19342, 152260), (20360, 144647), (23414, 125780), (25156, 117070), (30452, 96710), (31445, 93656), (38065, 77368), (38684, 76130), (46828, 62890), (48355, 60904), (50312, 58535)]