65990040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 211161600

約数和(自身を除く): 145171560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 103, 114, 120, 152, 190, 206, 228, 281, 285, 309, 380, 412, 456, 515, 562, 570, 618, 760, 824, 843, 1030, 1124, 1140, 1236, 1405, 1545, 1686, 1957, 2060, 2248, 2280, 2472, 2810, 3090, 3372, 3914, 4120, 4215, 5339, 5620, 5871, 6180, 6744, 7828, 8430, 9785, 10678, 11240, 11742, 12360, 15656, 16017, 16860, 19570, 21356, 23484, 26695, 28943, 29355, 32034, 33720, 39140, 42712, 46968, 53390, 57886, 58710, 64068, 78280, 80085, 86829, 106780, 115772, 117420, 128136, 144715, 160170, 173658, 213560, 231544, 234840, 289430, 320340, 347316, 434145, 549917, 578860, 640680, 694632, 868290, 1099834, 1157720, 1649751, 1736580, 2199668, 2749585, 3299502, 3473160, 4399336, 5499170, 6599004, 8248755, 10998340, 13198008, 16497510, 21996680, 32995020, 65990040]

約数ペア:

[(1, 65990040), (2, 32995020), (3, 21996680), (4, 16497510), (5, 13198008), (6, 10998340), (8, 8248755), (10, 6599004), (12, 5499170), (15, 4399336), (19, 3473160), (20, 3299502), (24, 2749585), (30, 2199668), (38, 1736580), (40, 1649751), (57, 1157720), (60, 1099834), (76, 868290), (95, 694632), (103, 640680), (114, 578860), (120, 549917), (152, 434145), (190, 347316), (206, 320340), (228, 289430), (281, 234840), (285, 231544), (309, 213560), (380, 173658), (412, 160170), (456, 144715), (515, 128136), (562, 117420), (570, 115772), (618, 106780), (760, 86829), (824, 80085), (843, 78280), (1030, 64068), (1124, 58710), (1140, 57886), (1236, 53390), (1405, 46968), (1545, 42712), (1686, 39140), (1957, 33720), (2060, 32034), (2248, 29355), (2280, 28943), (2472, 26695), (2810, 23484), (3090, 21356), (3372, 19570), (3914, 16860), (4120, 16017), (4215, 15656), (5339, 12360), (5620, 11742), (5871, 11240), (6180, 10678), (6744, 9785), (7828, 8430)]